Debt Disclosure [Abstract] Schedule of Long-term Debt Schedule of Long-term Debt Instruments [Table Text Block] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-16 Accounting Standards Update 2016-16 [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Class B Convertible Common Stock Class B Convertible Common Stock [Member] -- None. No documentation exists for this element. -- Treasury Stock Treasury Stock [Member] Capital in Excess of Par Value Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Total VPG, Inc. Stockholders' Equity Parent [Member] Noncontrolling Interests Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance, beginning Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Share-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Restricted stock issuances (37,187 and 33,031 shares in 2019 and 2018 respectively) Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Common stock issuance from conversion of exchangeable notes (123,808 shares) Stock Issued During Period, Value, Conversion of Convertible Securities Cumulative effect adjustment for adoption of ASU Cumulative Effect of New Accounting Principle in Period of Adoption Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Balance, ending Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Segment Reconciling Items Segment Reconciling Items [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Foil Technology Products Foil Technology Products [Member] -- None. No documentation exists for this element. -- Force Sensors Force Sensors [Member] -- None. No documentation exists for this element. -- Weighing and Control Systems Weighing and Control Systems [Member] -- None. No documentation exists for this element. -- Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Gross profit Gross Profit Segment operating income Operating Income (Loss) Unallocated G&A expenses General and Administrative Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Other Income in Operations Schedule of Other Nonoperating Income (Expense) [Table Text Block] Leases [Abstract] Leases Recorded on the Balance Sheet Leases Recorded on the Balance Sheet [Table Text Block] Leases Recorded on the Balance Sheet [Table Text Block] Other Information Related to Lease Term and Discount Rate Other Information Related to Lease Term and Discount Rate [Table Text Block] Other Information Related to Lease Term and Discount Rate [Table Text Block] Components of Lease Expense Lease, Cost [Table Text Block] Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net earnings Adjustments to reconcile net earnings to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Loss/(gain) on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Share-based compensation expense Share-based Compensation Inventory write-offs for obsolescence Inventory Write-down Deferred income taxes Deferred Income Taxes and Tax Credits Other Other Noncash Income (Expense) Net changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Inventories, net Increase (Decrease) in Inventories Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Trade accounts payable Increase (Decrease) in Accounts Payable, Trade Other current liabilities Increase (Decrease) in Other Accrued Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Productive Assets Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment 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] Principal payments on long-term debt Repayments of Long-term Debt Proceeds from revolving facility Proceeds from Short-term Debt Payments on revolving facility Repayments of Short-term Debt Distributions to noncontrolling interests Proceeds from (Payments to) Noncontrolling Interests Payments of employee taxes on certain share-based arrangements Payments Related to Tax Withholding for Share-based Compensation Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash and cash equivalents at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Supplemental disclosure of non-cash investing transactions: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Capital expenditures purchased Capital Expenditures Incurred but Not yet Paid Supplemental disclosure of non-cash financing transactions: Supplemental Cash Flow Information [Abstract] Conversion of exchangeable notes to common stock Retirement Benefits [Abstract] Schedule of Net Pension and Other Retirement Plan Costs Schedule of Net Benefit Costs [Table Text Block] Operating lease right of use asset Operating Lease, Right-of-Use Asset Operating lease - current Operating Lease, Liability, Current Operating lease - non-current Operating Lease, Liability, Noncurrent Segment Information Segment Reporting Disclosure [Text Block] Intersegment Eliminations Intersegment Eliminations [Member] Total revenue Pension and Other Postretirement Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Restricted stock units Allocated Share-based Compensation Expense Restructuring and Related Activities [Abstract] Restructuring Costs Restructuring and Related Activities Disclosure [Text Block] Long-Term Debt Debt Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Operating lease cost Operating Lease, Cost Short-term lease cost Short-term Lease, Cost Total lease cost Lease, Cost Additional Financial Statement Information Additional Financial Information Disclosure [Text Block] Basis of Presentation Business Description and Basis of Presentation [Text Block] Income Tax Disclosure [Abstract] Tax Cuts And Jobs Act Of 2017, income tax expense (benefit) Tax Cuts And Jobs Act Of 2017, Income Tax Expense (Benefit) Tax Cuts And Jobs Act Of 2017, Income Tax Expense (Benefit) Effective tax rate (percent) Effective Income Tax Rate Reconciliation, Percent Income Taxes Income Tax Disclosure [Text Block] Schedule of Fiscal Quarters Schedule of Fiscal Quarters [Table Text Block] Schedule of Fiscal Quarters end date Revenue from Contract with Customer [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES United Kingdom UNITED KINGDOM Other Europe Other Europe [Member] Other Europe [Member] Israel ISRAEL Asia Asia [Member] Canada CANADA Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Test & Measurement Test & Measurement [Member] Test & Measurement [Member] Avionics, Military & Space Avionics, Military & Space [Member] Avionics, Military & Space [Member] Medical Medical [Member] Medical [Member] Precision Weighing Precision Weighing [Member] Precision Weighing [Member] Force Measurement Force Measurement [Member] Force Measurement [Member] Steel Steel [Member] Steel [Member] Income Statement [Abstract] Costs of products sold Cost of Goods and Services Sold Gross profit Selling, general, and administrative expenses Selling, General and Administrative Expense Operating income Other income (expense): Other Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Other Other Nonoperating Income (Expense) Other income (expense) - net Nonoperating Income (Expense) Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net earnings Less: net earnings attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net earnings attributable to VPG stockholders Net Income (Loss) Attributable to Parent Basic earnings per share attributable to VPG stockholders (dollars per share) Earnings Per Share, Basic Diluted earnings per share attributable to VPG stockholders (dollars per share) Earnings Per Share, Diluted Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Contract with customer, revenue recognized Contract with Customer, Liability, Revenue Recognized Leases Lessee, Operating Leases [Text Block] Number of reportable segments Number of Reportable Segments Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Forecast Scenario, Forecast [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Area of land (in sq ft) Area of Land Statement of Financial Position [Abstract] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net Accounts Receivable, Net, Current Inventories: Inventory, Net [Abstract] Raw materials Inventory, Raw Materials, Gross Work in process Inventory, Work in Process, Gross Finished goods Inventory, Finished Goods, Gross Inventories, net Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, at cost: Property, Plant and Equipment, Gross [Abstract] Land Land Buildings and improvements Buildings and Improvements, Gross Machinery and equipment Machinery and Equipment, Gross Software Capitalized Computer Software, Gross Construction in progress Construction in Progress, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Property, Plant and Equipment, Net Goodwill Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other assets Other Assets, Noncurrent Total assets Assets Liabilities and equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Trade accounts payable Accounts Payable, Trade, Current Payroll and related expenses Employee-related Liabilities, Current Other accrued expenses Accrued Liabilities, Current Income taxes Accrued Income Taxes, Current Current portion of long-term debt Long-term Debt, Current Maturities Total current liabilities Liabilities, Current Long-term debt, less current portion Long-term Debt, Excluding Current Maturities Deferred income taxes Deferred Income Tax Liabilities, Net Other liabilities Other Liabilities, Noncurrent Accrued pension and other postretirement costs Liability, Defined Benefit Plan, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock Common Stock, Value, Issued Treasury stock Treasury Stock, Value Capital in excess of par value Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total Vishay Precision Group, Inc. stockholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Total liabilities and equity Liabilities and Equity Restructuring costs Restructuring Charges Movement in Contract Assets and Liabilities [Roll Forward] Movement in Contract Assets and Liabilities [Roll Forward] Movement in Contract Assets and Liabilities [Roll Forward] Unbilled revenue, beginning balance Unbilled Contracts Receivable Increase in unbilled revenue Contract with Customer, Asset, Increase (Decrease) in Unbilled Revenue Contract with Customer, Asset, Increase (Decrease) in Unbilled Revenue Unbilled revenue, ending balance Contract liability, beginning balance Contract with Customer, Liability Increase in accrued customer advances Increase (Decrease) in Contract with Customer, Liability Contract liability, ending balance Document and Entity Informations [Abstract] Document and Entity Information. Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Trading Symbol Trading Symbol Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Foreign Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member] Pension and Other Postretirement Actuarial Items Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward] Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive income (loss) Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Contract with Customer, Asset and Liability Contract with Customer, Asset and Liability [Table Text Block] Operating leases weighted average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Operating leases weighted average discount rate (percent) Operating Lease, Weighted Average Discount Rate, Percent Schedule of Share-based Compensation Expense Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Earnings Per Share [Abstract] Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Restricted stock issuances, shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Common stock issuance from conversion of exchangeable notes, shares Stock Issued During Period, Shares, Conversion of Convertible Securities Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 Inputs Fair Value, Inputs, Level 1 [Member] Level 2 Inputs Fair Value, Inputs, Level 2 [Member] Level 3 Inputs Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets held in rabbi trusts Rabbi Trust Assets Fair Value Disclosure it represents rabbi trust assets fair value disclosure. Statement of Comprehensive Income [Abstract] Net earnings Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Pension and other postretirement actuarial items, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: comprehensive income (loss) attributable to noncontrolling interests Comprehensive income attributable to VPG stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Vesting on January 1, 2020 Vesting on January 1, 2020 [Member] Vesting on January 1, 2020 [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of shares authorized (up to) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares available for grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Number of people granted awards (people) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of People Granted Awards Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of People Granted Awards Percentage of performance based units on total units approved Percentage Of Performance Based Units On Total Units Approved Percentage of performance based units on total units approved. Number of RSUs granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Weighted average grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Grant Date Fair Value The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Award vesting rights (percentage) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Award vesting period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Goodwill and Intangible Assets Disclosure [Abstract] Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Numerator: Earnings Per Share, Basic [Abstract] Net earnings attributable to VPG stockholders Adjustment to the numerator for net earnings: Preferred Stock Dividends and Other Adjustments [Abstract] Interest savings assuming conversion of dilutive exchangeable notes, net of tax Interest on Convertible Debt, Net of Tax Numerator for diluted earnings per share: Earnings Per Share, Diluted [Abstract] Net earnings attributable to VPG stockholders Net Income (Loss) Attributable to Parent, Diluted Denominator: Earnings Per Share, Basic, Other Disclosures [Abstract] Weighted average shares (in shares) Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Exchangeable notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Dilutive potential common shares Weighted Average Number Diluted Shares Outstanding Adjustment Denominator for diluted earnings per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Adjusted weighted average shares (in shares) Basic earnings per share attributable to VPG stockholders (dollars per share) Diluted earnings per share attributable to VPG stockholders (dollars per share) 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] Revolving Credit Facility Revolving Credit Facility [Member] U.S. Closing Date Term Facility Domestic Closing Date Term Facility [Member] Domestic Closing Date Term Facility [Member] U.S. Delayed Draw Term Facility Domestic Delayed Draw Term Facility [Member] Domestic Delayed Draw Term Facility [Member] Canadian Term Facilities Foreign Term Facilities [Member] Foreign Term Facility Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Credit Agreement 2015 Credit Agreement 2015 [Member] Credit Agreement 2015 [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Secured debt Secured Debt Other debt Other Long-term Debt Deferred financing costs Debt Issuance Costs, Noncurrent, Net Total long-term debt Long-term Debt Less: current portion Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance Employee Severance [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring reserve, beginning balance Restructuring Reserve Adjustment for adoption of ASU 2016-02 Restructuring Reserve, Adjustment for New Accounting Standard Restructuring Reserve, Adjustment for New Accounting Standard Cash payments Payments for Restructuring Foreign currency translation Restructuring Reserve, Foreign Currency Translation Gain (Loss) Restructuring reserve, ending balance Schedule of Goodwill [Table] Schedule of Goodwill [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] KELK Acquisition Kelk [Member] KELK Membe Stress-Tek Acquisition Stress-Tek, Inc. [Member] Stress-Tek, Inc. [Member] Pacific Acquisition Pacific Instruments, Inc. [Member] Pacific Instruments, Inc. [Member] Weighing and Control Systems Segment Foil Technology Products Segment Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning balance Foreign currency translation adjustment Goodwill, Foreign Currency Translation Gain (Loss) Ending balance 2019 (excluding the three months ended March 30, 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 Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total future minimum lease payments Lessee, Operating Lease, Liability, Payments, Due Less: amount representing interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Present value of future minimum lease payments Operating Lease, Liability Earnings Per Share Earnings Per Share [Text Block] Foreign exchange loss Foreign Currency Transaction Gain (Loss), before Tax Interest income Investment Income, Interest Pension expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Other Other Operating Income (Expense), Net Other nonoperating income (expense) Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Revenue Revenue from Contract with Customer [Text Block] Schedule of Segment Reporting Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension Plans Pension Plan [Member] Other Postretirement Benefit Plan Other Postretirement Benefits Plan [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Net service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of actuarial losses Defined Benefit Plan, Amortization of Gain (Loss) Net periodic benefit cost Schedule of Assets and Liabilities at Fair Value, Recurring Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]