Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Earnings Per Share [Abstract] Reconciliation of Basic and Diluted Weighted Average Shares Outstanding Schedule of Weighted Average Number of Shares [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging Cash Flow Hedging [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as hedging instrument Designated as Hedging Instrument [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign Exchange Forward Foreign Exchange Forward [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other accrued liabilities Other Accrued Liabilities [Member] Other Accrued Liabilities [Member] Other non-current liabilities Other Noncurrent Liabilities [Member] Derivative [Line Items] Derivative [Line Items] Foreign currency forward designated as cash flow hedge, liability Foreign Currency Cash Flow Hedge Liability at Fair Value Revenue from Contract with Customer [Abstract] Remaining Performance Obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Contract with Customer, Asset and Liability Contract with Customer, Asset and Liability [Table Text Block] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Term facility Term Facility [Member] Term Facility [Member] Payments due Debt Instrument [Line Items] 2019 (excluding the three months ended March 29, 2019) Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year 2020 Long-term Debt, Maturities, Repayments of Principal in Year Two 2021 Long-term Debt, Maturities, Repayments of Principal in Year Three 2022 Long-term Debt, Maturities, Repayments of Principal in Year Four Total Long-term Debt Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] SENTEL SENTEL Corporation [Member] SENTEL Corporation [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Goodwill Goodwill Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Other current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Price, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Earnings Per Share Earnings Per Share [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Retained Earnings Retained Earnings [Member] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Domain] Adjustments for Change in Accounting Principle [Domain] ASU 2018-02 Accounting Standards Update 2018-02 [Member] Accounting Standards Update 2018-02 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Impact of adoption of ASU Cumulative Effect of New Accounting Principle in Period of Adoption SENTEL Acquisition Business Combination Disclosure [Text Block] Schedule of Impact of Stock-Based Compensation in Consolidation and Combined Statements of Income Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of Non-Qualified Stock Options, Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Debt Debt Disclosure [Text Block] Receivables [Abstract] Receivables Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Recent Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Purchase Price Allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table 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[Domain] Long-term Debt, Type [Domain] Line of Credit Line of Credit [Member] Letters of credit Letter of Credit [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Base Rate Base Rate [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Line Items] Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Debt instrument, term Debt Instrument, Term Number of letters of credit outstanding Letters of Credit Outstanding, Number Outstanding Letters of Credit Outstanding, Number Outstanding Letters of credit outstanding Letters of Credit Outstanding, Amount Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Maximum allowed dividend distribution Line of Credit Facility, Covenant Terms, Maximum Allowed Dividend 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expense Debt Instrument, Covenant Compliance, EBITDA to Interest Expense Ratio Debt Instrument, Covenant Compliance, EBITDA to Interest Expense Ratio Spread on variable rate Debt Instrument, Basis Spread on Variable Rate Interest rate Debt Instrument, Interest Rate, Effective Percentage Net income Net Income (Loss) Attributable to Parent Weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Add: Dilutive impact of stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Add: Dilutive impact of restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Earnings per share Earnings Per Share, Basic and Diluted [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Performance obligations timing Revenue, Performance Obligation, Description of Timing Increase in remaining performance obligations Revenue, Increase (Decrease) In Remaining Performance Obligations Revenue, Increase (Decrease) In Remaining Performance Obligations Performance Obligations Revenue, Remaining Performance Obligation, Amount Leases [Abstract] Leases Lessee, Operating Leases [Text Block] Contract Relationship [Axis] Contract Relationship [Axis] Contract Relationship [Axis] Contract Relationship [Domain] Contract Relationship [Domain] [Domain] for Contract Relationship [Axis] Prime contractor Prime Contractor [Member] Prime Contractor [Member] Subcontractor Subcontractor [Member] Subcontractor [Member] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Backlog Order or Production Backlog [Member] Re-competes Contract Re-competes [Member] Contract Re-competes [Member] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Percentage of outstanding common stock acquired Business Acquisition, Percentage of Voting Interests Acquired Preliminary purchase price, net of cash acquired Consideration transferred Business Combination, Consideration Transferred Working capital adjustments Payment for Contingent Consideration Liability, Investing Activities Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Amortization period Finite-Lived Intangible Asset, Useful Life Recognized revenue from acquired entity Revenues Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Middle East Middle East [Member] United States UNITED STATES Europe Europe [Member] Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Contract compliance Contract Compliance [Member] Contract Compliance [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Contracts loss contingency accrual Loss Contingency Accrual Document and Entity Information [Abstract] Document and Entity Information Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-based Compensation Award, by Instrument Type [Axis] Share-based Compensation Award, by Instrument Type [Axis] Share-based Compensation Award, by Instrument Type [Axis] Share-based Compensation Award, by Instrument Type [Domain] Share-based Compensation Award, by Instrument Type [Domain] [Domain] for Share-based Compensation Award, by Instrument Type [Axis] Compensation costs for equity-based awards Equity Based Awards [Member] Equity Based Awards [Member] Compensation costs for liability-based awards Liability Based Awards [Member] Liability Based Awards [Member] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Compensation cost for awards Allocated Share-based Compensation Expense Future tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Schedule of Derivative Liabilities at Fair Value Schedule of Derivative Liabilities at Fair Value [Table Text Block] Schedule of Foreign Exchange Contracts, Statement of Financial Position Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] 2019 (excluding the three months ended March 29, 2019) Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five 2024 and beyond Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Total operating lease liabilities Operating Lease, Liability Right-of-use assets Operating Lease, Right-of-Use Asset Current lease liabilities (recorded in other accrued liabilities) Operating Lease, Liability, Current Long-term lease liabilities (recorded in other non-current liabilities) Operating Lease, Liability, Noncurrent Total operating lease liabilities Favorable adjustments Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Favorable, Change in Measure of Progress And Modification Of Contract Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Favorable, Change in Measure of Progress And Modification Of Contract Unfavorable adjustments Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Unfavorable, Change in Measure of Progress And Modification Of Contract Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Unfavorable, Change in Measure of Progress And Modification Of Contract Net favorable adjustments Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress And Modification Of Contract Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress And Modification Of Contract Unfavorable adjustments to operating income Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue Unfavorable, Gross, Change in Measure of Progress And Modification Of Contract Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue Unfavorable, Gross, Change in Measure of Progress And Modification Of Contract Net favorable adjustment to operating income Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Favorable, Gross, Change in Measure of Progress And Modification Of Contract Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Favorable, Gross, Change in Measure of Progress And Modification Of Contract Operating lease expense Operating Lease, Cost Variable lease expense Variable Lease, Cost Short-term lease expense Short-term Lease, Cost Total lease expense Lease, Cost Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Revenue,expected performance obligation, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Equity Based Awards Liability Based Awards Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Key Employees Key Employees [Member] Key Employees [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Total Shareholder Return Awards (TSR) Total Shareholder Return Awards [Member] Total Shareholder Return Awards [Member] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Share-based Compensation Award, Tranche One Share-based Compensation Award, Tranche One [Member] Share-based Compensation Award, Tranche Two Share-based Compensation Award, Tranche Two [Member] Share-based Compensation Award, Tranche Three Share-based Compensation Award, Tranche Three [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Unrecognized compensation costs Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Unrecognized compensation costs, period for recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Vesting increments Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Aggregate award target value Share based Compensation Arrangement by Share based Payment Award, Performance Based Award, Granted Aggregate Target Value Share based Compensation Arrangement by Share based Payment Award, Performance Based Award, Granted Aggregate Target Value Percentage of shareholder return award target Share-based Compensation Arrangement by Share-based Payment Award, Performance-Based Award, Percentage Payment of Aggregate Target Value of Shares Issued Share-based Compensation Arrangement by Share-based Payment Award, Performance-Based Award, Percentage Payment of Aggregate Target Value of Shares Issued Revenue Revenue from Contract with Customer [Text Block] Interest Rate Swap Interest Rate Swap [Member] Derivative, notional amount Derivative, Notional Amount Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock Issued Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Loss Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Shares, Issued Balance Stockholders' Equity Attributable to Parent Net income Cumulative effects of adoption of Accounting Standards Update Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Unrealized gain on cash flow hedge Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Employee stock awards and stock options (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Employee stock awards and stock options Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Stock-based compensation Stock Granted, Value, Share-based Compensation, Net of Forfeitures Balance (in shares) Balance Billed receivables Billed Contracts Receivable Unbilled receivables (contract assets) Unbilled Contracts Receivable Other Other Receivables, Net, Current Total receivables Receivables, Net, Current Estimate of unbilled contract receivables Contract with Customer, Asset, Accumulated Allowance for Credit Loss Statement of Comprehensive Income [Abstract] Other comprehensive income, net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Changes in derivative instruments: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Net change in fair value of derivative instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Net change in fair value of derivative instruments Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Net gain reclassified to interest expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Net gain reclassified to interest expense Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Tax benefit (expense) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Tax benefit (expense) Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Net change in derivative instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Net change in derivative instruments Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Foreign currency translation adjustments, net of tax Accounting Standards Update (ASU) 2018-02 reclassification of certain tax effects to Retained Earnings Other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Organization, Consolidation and Presentation of Financial Statements [Abstract] Description of Business and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] ASU 2016-02 Accounting Standards Update 2016-02 [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating lease terms Lessee, Operating Lease, Term of Contract Right-of-use assets resulting from new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining discount rate Operating Lease, Weighted Average Discount Rate, Percent Contract assets Contract with Customer, Asset, Net Contract liability Contract with Customer, Liability Other current assets Other Current Assets [Member] Other non-current assets Other Noncurrent Assets [Member] Interest rate swap designated as cash flow hedge, assets Interest Rate Derivative Assets, at Fair Value Interest rate swap designated as cash flow hedge, liability Interest Rate Derivative Liabilities, at Fair Value Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Army Army [Member] Army [Member] Air Force Air Force [Member] Air Force [Member] Navy Navy [Member] Navy [Member] Other Other Customers [Member] Other Customers [Member] Provision for income taxes Income Tax Expense (Benefit) Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Unrecognized tax benefits Unrecognized Tax Benefits Our Business and Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Leases Lessee, Leases [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Accounting Standards Issued But Not Yet Effective and Accounting Standards That Were Adopted New Accounting Pronouncements, Policy [Policy Text Block] Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation expense Depreciation Amortization of intangible assets Amortization of Intangible Assets Loss on disposal of property, plant, and equipment Gain (Loss) on Disposition of Property Plant Equipment Stock-based compensation Share-based Compensation Amortization of debt issuance costs Amortization of Debt Issuance Costs Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Receivables Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Deferred taxes Increase (Decrease) in Deferred Income Taxes Compensation and other employee benefits Increase (Decrease) in Employee Related Liabilities Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of capital assets and intangibles Payments to Acquire Productive Assets Acquisition of business, net of cash acquired Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Repayments of long-term debt Repayments of Long-term Debt Proceeds from revolver Proceeds from Lines of Credit Repayments of revolver Repayments of Lines of Credit Proceeds from exercise of stock options Proceeds from Stock Options Exercised Payments of employee withholding taxes on share-based compensation Payments Related to Tax Withholding for Share-based Compensation Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Exchange rate effect on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net change in cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash-beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash-end of period Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Including Capitalized Interest, Operating and Investing Activities Income taxes (refunded) paid Proceeds from Income Tax Refunds Income taxes (refunded) paid Income Taxes Paid Non-cash investing activities: Noncash Investing and Financing Items [Abstract] Purchase of capital assets on account Capital Expenditures Purchased on Account Capital Expenditures Purchased on Account Income Statement [Abstract] Revenue Cost of revenue Cost of Goods and Services Sold Selling, general and administrative expenses Selling, General and Administrative Expense Operating income Operating Income (Loss) Interest expense, net Interest Income (Expense), Nonoperating, Net Income from operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax expense Net income Earnings per share Weighted average common shares outstanding - basic (in shares) Diluted weighted average common shares outstanding - diluted (in shares) Intangible assets Finite-Lived Intangible Assets, Net Increase in intangible assets Finite-Lived Intangible Assets, Period Increase (Decrease) Intangible assets acquired Finite-lived Intangible Assets Acquired Amortization of intangible assets NQOs Non-Qualified Stock Options [Member] Non-Qualified Stock Options [Member] RSUs NQOs, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period Forfeited or expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding at end of period (in shares) NQOs, Weighted Average Exercise Price Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding at beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Weighted Average Exercise Price Forfeited or expired (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Outstanding at end of period (in dollars per share) RSUs, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding at beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited or expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Outstanding at end of period (in shares) RSUs, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Outstanding at beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Exercised (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercised in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited or expired (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Outstanding at beginning of period (in dollars per share) Number of reportable segments Number of Reportable Segments Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Anti-dilutive stock options Employee Stock Option [Member] Anti-dilutive restricted stock units Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Anti-dilutive stock options (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Statement of Financial Position [Abstract] Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Schedule of Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Components of lease expense Lease, Cost [Table Text Block] Balance sheet information related to leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Maturity of lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Assets Assets [Abstract] Current assets Assets, Current [Abstract] Cash Cash Receivables Other current assets Other Assets, Current Total current assets Assets, Current Property, plant, and equipment, net Property, Plant and Equipment, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Right-of-use assets Other non-current assets Other Assets, Noncurrent Total non-current assets Assets, Noncurrent Total Assets Assets Liabilities and Shareholders' Equity Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Compensation and other employee benefits Employee-related Liabilities, Current Short-term debt Long-term Debt, Current Maturities Other accrued liabilities Accrued Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, net Long-term Debt, Excluding Current Maturities Deferred tax liability Deferred Income Tax Liabilities, Net Other non-current liabilities Other Liabilities, Noncurrent Total non-current liabilities Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 13) Commitments and Contingencies Shareholders' Equity Preferred stock; $0.01 par value; 10,000,000 shares authorized; No shares issued and outstanding Preferred Stock, Value, Issued Common stock; $0.01 par value; 100,000,000 shares authorized; 11,352,107 and 11,266,906 shares issued and outstanding as of March 29, 2019 and December 31, 2018, respectively Common Stock, Value, Issued Additional paid in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total shareholders' equity Total Liabilities and Shareholders' Equity Liabilities and Equity