Entity Central Index Key Cover [Abstract] 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 Current Reporting Status Entity Current Reporting Status Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Shell Company Entity Shell Company Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Entity Interactive Data Current Entity Interactive Data Current Entity File Number Entity File Number Entity Incorporation, State or Country Code Entity Incorporation State Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 Entity Address, Address Line Two Entity Address Address Line2 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Address, Postal Zip Code Entity Address Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Long term debt and finance lease liabilities noncurrent. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Accounts receivable, net Receivables Net Current Inventories Inventory Net Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net of accumulated depreciation Property Plant And Equipment Net Operating lease assets, net Operating Lease Right Of Use Asset Intangible assets, net of accumulated amortization Intangible Assets Net Excluding Goodwill Goodwill Goodwill Other assets Other Assets Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued liabilities Accrued Liabilities Current Accrued salaries and benefits Employee Related Liabilities Current Accrued income tax Accrued Income Taxes Current Current portion of operating lease liabilities Operating Lease Liability Current Current portion of finance lease liabilities Finance Lease Liability Current Total current liabilities Liabilities Current Long-term operating lease liabilities Operating Lease Liability Noncurrent Long-term debt and finance lease liabilities Long Term Debt And Finance Lease Liabilities Noncurrent Other long-term liabilities Other Liabilities Noncurrent Deferred income tax liability Deferred Income Tax Liabilities Net Total liabilities Liabilities Commitments and contingencies (Note 6) Commitments And Contingencies Stockholders’ equity: Stockholders Equity [Abstract] Undesignated preferred stock; $0.001 par value; 10,000,000 shares authorized, no shares issued and outstanding Preferred Stock Value Common stock, $0.001 par value; 200,000,000 shares authorized, 117,944,450 shares issued and outstanding, June 28, 2020; 117,543,668 shares issued and outstanding, December 29, 2019 Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income Loss Net Of Tax Retained earnings (Accumulated deficit) Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Undesignated preferred stock, par value Preferred Stock Par Or Stated Value Per Share Undesignated preferred stock, shares authorized Preferred Stock Shares Authorized Undesignated preferred stock, shares issued Preferred Stock Shares Issued Undesignated preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income expense store closure and other costs, net. Income Statement [Abstract] Net sales Revenue From Contract With Customer Excluding Assessed Tax Cost of sales Cost Of Goods And Services Sold Gross profit Gross Profit Selling, general and administrative expenses Selling General And Administrative Expense Depreciation and amortization (exclusive of depreciation included in cost of sales) Depreciation And Amortization Store closure and other costs, net Income Expense Store Closure And Other Costs Net Income from operations Operating Income Loss Interest expense, net Interest Income Expense Net Income before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income tax provision Income Tax Expense Benefit Net income Net Income Loss Net income per share: Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted average shares outstanding: Earnings Per Share Basic And Diluted Other Disclosures [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Net income Other comprehensive income (loss), net of tax Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Unrealized gain/(loss) on cash flow hedging activities, net of income tax of ($40), ($1,071), ($1,922), and ($1,976) Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax Total other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Comprehensive income Comprehensive Income Net Of Tax Income tax expenses (Benefit) on cash flow hedging activities Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid In Capital [Member] (Accumulated Deficit) Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income [Member] Cumulative Effect, Period of Adoption Cumulative Effect Period Of Adoption [Axis] Cumulative Effect, Period of Adoption Cumulative Effect Period Of Adoption [Domain] Cumulative Effect, Period of Adoption, Adjustment [Member] Cumulative Effect Period Of Adoption Adjustment [Member] Statement [Line Items] Statement [Line Items] Beginning Balance Beginning Balance, Shares Shares Outstanding Other comprehensive loss Issuance of shares under stock plans Stock Issued During Period Value Stock Options Exercised Issuance of shares under stock plans, Shares Stock Issued During Period Shares Stock Options Exercised Repurchase and retirement of common stock Stock Repurchased And Retired During Period Value Repurchase and retirement of common stock, Shares Stock Repurchased And Retired During Period Shares Share-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Accounting Standards Update [Extensible List] Accounting Standards Update Extensible List Ending Balance Ending Balance, Shares Operating lease right of use asset amortization. Store closure and other costs, net. Increase (decrease) in operating lease liabilities. Statement Of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided By Used In Operating Activities [Abstract] Net income Profit Loss Adjustments to reconcile net income 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 expense Depreciation Depletion And Amortization Operating lease asset amortization Operating Lease Right Of Use Asset Amortization Store closure and other costs, net Store Closure And Other Costs Net Share-based compensation Share Based Compensation Deferred income taxes Deferred Income Tax Expense Benefit Other non-cash items Other Noncash Income Expense Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Inventories Increase Decrease In Inventories Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Other assets Increase Decrease In Other Operating Assets Accounts payable Increase Decrease In Accounts Payable Accrued liabilities Increase Decrease In Accrued Liabilities Accrued salaries and benefits Increase Decrease In Accrued Salaries Accrued income tax Increase Decrease In Accrued Income Taxes Payable Operating lease liabilities Increase Decrease In Operating Lease Liabilities Other long-term liabilities Increase Decrease In Other Noncurrent Liabilities Cash flows from operating activities Net Cash Provided By Used In Operating Activities Cash flows from investing activities Net Cash Provided By Used In Investing Activities [Abstract] Purchases of property and equipment Payments To Acquire Property Plant And Equipment Cash flows used in investing activities Net Cash Provided By Used In Investing Activities Cash flows from financing activities Net Cash Provided By Used In Financing Activities [Abstract] Proceeds from revolving credit facilities Proceeds From Lines Of Credit Payments on revolving credit facilities Repayments Of Lines Of Credit Payments on finance lease liabilities Finance Lease Principal Payments Repurchase of common stock Payments For Repurchase Of Common Stock Proceeds from exercise of stock options Proceeds From Stock Options Exercised Other Proceeds From Payments For Other Financing Activities Cash flows used in financing activities Net Cash Provided By Used In Financing Activities Increase in cash, cash equivalents, and restricted cash Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash, cash equivalents, and restricted cash at beginning of the period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Cash, cash equivalents, and restricted cash at the end of the period Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Net Cash paid for income taxes Income Taxes Paid Net Leased assets obtained in exchange for new operating lease liabilities Right Of Use Asset Obtained In Exchange For Operating Lease Liability Leased assets obtained in exchange for new finance lease liabilities Right Of Use Asset Obtained In Exchange For Finance Lease Liability Supplemental disclosure of non-cash investing and financing activities Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Property and equipment in accounts payable Capital Expenditures Incurred But Not Yet Paid Organization Consolidation And Presentation Of Financial Statements [Abstract] Basis of Presentation Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] The entire disclosure for long-term debt and finance lease liabilities. Long-term debt and finance lease liabilities. Long Term Debt And Finance Lease Liabilities [Abstract] Long-Term Debt and Finance Lease Liabilities Long Term Debt And Finance Lease Liabilities [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Equity [Abstract] Stockholders' Equity Stockholders Equity Note Disclosure [Text Block] Net Income Per Share Earnings Per Share [Text Block] Derivative Instruments And Hedging Activities Disclosure [Abstract] Derivative Financial Instruments Derivative Instruments And Hedging Activities Disclosure [Text Block] Comprehensive Income Comprehensive Income Note [Text Block] Segment Reporting [Abstract] Segments Segment Reporting Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Share-Based Compensation Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Fiscal Years Fiscal Period Revenue Recognition Revenue From Contract With Customer Policy [Text Block] Restricted Cash Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Recently Adopted Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Recently issued accounting pronouncements not yet adopted. Recently Issued Accounting Pronouncements Not Yet Adopted Recently Issued Accounting Pronouncements Not Yet Adopted Policy [Text Block] Contract with customer liability. Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Gift card revenue. Gift Card Revenue [Member] Gift Card Revenue [Member] Schedule of Estimated Breakage Revenue Recognized Contract With Customer Liability Table [Text Block] Schedule of Financial Liabilities Measured at Fair Value on Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Summary of Long-Term Debt and Finance Lease Liabilities Schedule Of Debt Instruments [Text Block] Schedule of common stock share repurchase programs. Schedule of Common Stock Share Repurchase Programs Authorized by Board of Directors from Time to Time and Related Repurchase Activity and Available Authorized Schedule Of Common Stock Share Repurchase Programs Table [Text Block] Schedule of share repurchase activity under share repurchase programs. Schedule of Share Repurchase Activity Under Share Repurchase Programs Schedule Of Share Repurchase Activity Under Share Repurchase Programs Table [Text Block] Summary of Reconciliation of Numerators and Denominators of Basic and Diluted Net Income Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Summary of Fair Value of Derivative Instruments Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value [Text Block] Summary of Losses (Gains) of Derivative Instruments Schedule Of Derivative Instruments Gain Loss In Statement Of Financial Performance [Text Block] Schedule of Changes in Accumulated Other Comprehensive Income Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] Summary of Disaggregation of Revenue Disaggregation Of Revenue Table [Text Block] Summary of Share-Based Compensation Awards Granted Schedule Of Share Based Compensation Activity Table [Text Block] Summary of Share-Based Compensation Expense in Selling, General and Administrative Expenses Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Summary of Outstanding Share-Based Awards Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] Summary of Total Unrecognized Compensation Expense and Remaining Weighted Average Recognition Period Related to Outstanding Share-Based Awards Schedule Of Unrecognized Compensation Cost Nonvested Awards Table [Text Block] Contract with customer liability recognition of gift cards breakage. Disaggregation Of Revenue [Table] Disaggregation Of Revenue [Table] Disaggregation Of Revenue [Line Items] Disaggregation Of Revenue [Line Items] Net gift card liability beginning balance Contract With Customer Liability Gift cards issued during current period but not redeemed Contract With Customer Liability Recognition Of Gift Cards Breakage Revenue recognized from beginning liability Contract With Customer Liability Revenue Recognized Net gift card liability ending balance Summary Of Significant Accounting Policy [Line Items] Summary Of Significant Accounting Policy [Table] Summary Of Significant Accounting Policy [Table] Summary Of Significant Accounting Policy [Table] Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Prepaid Expenses and Other Current Assets [Member] Prepaid Expenses And Other Current Assets [Member] Accounting Standards Update Adjustments For New Accounting Pronouncements [Axis] Accounting Standards Update Type Of Adoption [Member] ASU no. 2016-13 [Member] Accounting Standards Update201613 [Member] ASU no. 2018-13 [Member] Accounting Standards Update201813 [Member] Summary Of Significant Accounting Policy [Line Items] Summary Of Significant Accounting Policy [Line Items] Restricted cash related to defined benefit plan forfeitures as well as health and welfare restricted funds Restricted Cash Change in accounting principle, ASU, adopted Change In Accounting Principle Accounting Standards Update Adopted Change in accounting principle, ASU, Adoption Date Change In Accounting Principle Accounting Standards Update Adoption Date Change in accounting principle, ASU, immaterial effect Change In Accounting Principle Accounting Standards Update Immaterial Effect Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level 1 [Member] Fair Value Inputs Level1 [Member] Level 2 [Member] Fair Value Inputs Level2 [Member] Level 3 [Member] Fair Value Inputs Level3 [Member] Measurement Frequency Fair Value By Measurement Frequency [Axis] Measurement Frequency Fair Value Measurement Frequency [Domain] Recurring [Member] Fair Value Measurements Recurring [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] Long-term debt Long Term Debt Fair Value Interest rate swap liability Interest Rate Fair Value Hedge Liability At Fair Value Total financial liabilities Liabilities Fair Value Disclosure Long-term debt and finance lease liabilities line items. Long-Term Debt and Finance Lease Liabilities. Long Term Debt And Finance Lease Liabilities [Table] Long Term Debt And Finance Lease Liabilities [Table] Lien Category Lien Category [Axis] Lien Category Lien Category [Domain] Senior Lien [Member] Senior Lien [Member] Long-term Debt, Type Longterm Debt Type [Axis] Long-term Debt, Type Longterm Debt Type [Domain] Secured Debt [Member] Secured Debt [Member] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] $700.0 million Credit Agreement [Member] Line Of Credit [Member] Long Term Debt And Finance Lease Liabilities [Line Items] Long Term Debt And Finance Lease Liabilities [Line Items] Long-term debt Long Term Debt Long-term finance lease liabilities Finance Lease Liability Noncurrent Long-term debt and finance lease liabilities Debt instrument maturity Debt Instrument Maturity Date Debt instrument, Interest Rate Debt Instrument Interest Rate Terms Debt instrument face amount Debt Instrument Face Amount Former revolving credit facility. Former Credit Facility [Member] Former Revolving Credit Facility [Member] Collaborative Arrangement and Arrangement Other than Collaborative Type Of Arrangement [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Arrangements And Nonarrangement Transactions [Member] Amended and restated credit agreement. Amended and Restated Credit Agreement [Member] Amended And Restated Credit Agreement [Member] $700.0 million Credit Facility [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument Name [Domain] Swingline loan subfacility. Swingline Loan Sub-facility [Member] Swingline Loan Subfacility [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] LIBOR [Member] London Interbank Offered Rate L I B O R [Member] Prime Plus [Member] Prime Rate [Member] Credit facility maximum borrowing capacity Line Of Credit Facility Maximum Borrowing Capacity Interest expense amortization period. Capitalized debt issuance costs Unamortized Debt Issuance Expense Interest expense term Interest Expense Amortization Period Letters of credit issued Letters Of Credit Outstanding Amount Debt instrument fixed portion of outstanding debt percentage. Line of credit interest rate terms Line Of Credit Facility Interest Rate Description Interest rate spread on base rate Debt Instrument Basis Spread On Variable Rate1 Credit facility unused commitment fee percentage Line Of Credit Facility Unused Capacity Commitment Fee Percentage Fixed portion of outstanding debt percentage Debt Instrument Fixed Portion Of Outstanding Debt Percentage Line of credit facility issuance fee percentage. Participation fee Line Of Credit Facility Commitment Fee Percentage Issuance fee Line Of Credit Facility Issuance Fee Percentage Credit facility termination date Line Of Credit Facility Expiration Date1 Borrowings during the period Principal payments on the Credit Facility Line Of Credit Facility Periodic Payment Principal Borrowings under credit facilities Line Of Credit Debt instrument covenant leverage ratio. Debt instrument covenant interest coverage ratio. Net leverage ratio Debt Instrument Covenant Leverage Ratio Interest coverage ratio Debt Instrument Covenant Interest Coverage Ratio Effective tax rate Effective Income Tax Rate Continuing Operations Income tax effect resulting from federal tax credits Income Tax Reconciliation Tax Credits Employee service share-based compensation, tax benefit (detriment) from exercise of stock options. Excess tax detriments/(benefits) of share-based payment awards Employee Service Share Based Compensation Tax Benefit Detriment From Exercise Of Stock Options Number of complaints filed. Number of individual claimants. Other Commitments [Table] Other Commitments [Table] Litigation Case Litigation Case [Axis] Litigation Case Litigation Case Type [Domain] California federal courts litigation. Federal Courts of California [Member] California Federal Courts Litigation [Member] California superior court litigation. Superior Court of California [Member] California Superior Court Litigation [Member] District of colorado federal court litigation. Federal Court in District of Colorado [Member] District Of Colorado Federal Court Litigation [Member] Superior Court of State of California and County of Los Angeles Superior Court of State of California and County of Los Angeles [Member] Superior Court Of State Of California And County Of Los Angeles [Member] Other Commitments [Line Items] Other Commitments [Line Items] Number of complaints filed Number Of Complaints Filed Number of individual claimants Number Of Individual Claimants Number of defendants Loss Contingency Number Of Defendants Stock repurchase program effective date. Class Of Treasury Stock [Table] Class Of Treasury Stock [Table] Share Repurchase Program Share Repurchase Program [Axis] Share Repurchase Program Share Repurchase Program [Domain] February twenty two thousand and seventeen share repurchase program. February 20, 2017 [Member] February Twenty Two Thousand And Seventeen Share Repurchase Program [Member] February twenty two thousand and eighteen share repurchase program. February 20, 2018 [Member] February Twenty Two Thousand And Eighteen Share Repurchase Program [Member] Equity Class Of Treasury Stock [Line Items] Equity Class Of Treasury Stock [Line Items] Effective date Stock Repurchase Program Effective Date Expiration date Stock Repurchase Program Expiration Date Amount authorized Stock Repurchase Program Authorized Amount1 Cost of repurchases Authorization available Stock Repurchase Program Remaining Authorized Repurchase Amount1 Share repurchase authorization available Stock Repurchase Program Number Of Shares Authorized To Be Repurchased Stock repurchase program average cost per share acquired. Number of common shares acquired Average price per common share acquired Stock Repurchase Program Average Cost Per Share Acquired Total cost of common shares acquired Schedule Of Earnings Per Share Diluted By Common Class [Table] Schedule Of Earnings Per Share Diluted By Common Class [Table] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] RSUs [Member] Restricted Stock Units R S U [Member] RSAs [Member] Restricted Stock [Member] PSAs [Member] Performance Shares [Member] Earnings Per Share Diluted [Line Items] Earnings Per Share Diluted [Line Items] Basic net income per share: Net Income Loss Available To Common Stockholders Basic [Abstract] Weighted average shares outstanding - basic Basic net income per share Diluted net income per share: Net Income Loss Available To Common Stockholders Diluted [Abstract] Dilutive effect of share-based awards: Dilutive Securities [Abstract] Assumed exercise of options to purchase shares Incremental Common Shares Attributable To Call Options And Warrants Dilutive effect Incremental Common Shares Attributable To Share Based Payment Arrangements Weighted average shares and equivalent shares outstanding Diluted net income per share 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 Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Stock option [Member] Employee Stock Option [Member] PSAs [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive securities Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Derivative [Table] Derivative [Table] Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Forward Contract [Member] Forward Contracts [Member] Derivative Instrument Derivative Instrument Risk [Axis] Derivative Contract Derivative Contract Type [Domain] Swaps [Member] Interest Rate Swap [Member] Hedging Relationship Derivative Instruments Gain Loss By Hedging Relationship [Axis] Hedging Relationship Hedging Relationship [Domain] Cash Flow Hedges [Member] Cash Flow Hedging [Member] Derivative [Line Items] Derivative [Line Items] Derivative, number of cash flow hedges Derivative Number Of Instruments Held Derivative term of contract maturity starting year. Derivative term of contract maturity ending year. Number of swaps outstanding. Interest rate swaps hedge ineffectiveness. Number of outstanding swaps Number Of Swaps Outstanding Derivative, notional amount of outstanding swaps Derivative Notional Amount Derivative, cash flow swaps length period Derivative Term Of Contract Cash flow swaps mature annually, starting year Derivative Term Of Contract Maturity Starting Year Cash flow swaps mature annually, ending year Derivative Term Of Contract Maturity Ending Year Interest rate swaps hedge ineffectiveness Interest Rate Swaps Hedge Ineffectiveness Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Hedging Designation Hedging Designation [Axis] Hedging Designation Hedging Designation [Domain] Derivatives Designated as Hedging Instruments [Member] Designated As Hedging Instrument [Member] Interest Rate Swaps [Member] Accrued Liabilities [Member] Accrued Liabilities [Member] Other Long-term Liabilities [Member] Other Noncurrent Liabilities [Member] Derivatives Fair Value [Line Items] Derivatives Fair Value [Line Items] Liability Derivatives, Fair Value Derivative Liabilities Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Interest expense (income) net. Interest Expense (Income), Net [Member] Interest Expense Income Net [Member] Derivative Instruments Gain Loss [Line Items] Derivative Instruments Gain Loss [Line Items] Loss / (Gain) on Derivative Instruments,net of tax Derivative Gain Loss On Derivative Net Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income Loss [Table] Cash Flow Hedges [Member] Accumulated Gain Loss Net Cash Flow Hedge Parent [Member] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income Loss [Line Items] Other comprehensive income (loss), net of tax Unrealized loss on cash flow hedging activities, net of income tax Income tax expenses (Benefit) on cash flow hedging activities Number of reportable segment Number Of Reportable Segments Number of operating segment Number Of Operating Segments Perishables [Member] Perishables [Member] Perishables [Member] Non Perishables [Member] Non-Perishables [Member] Non Perishables [Member] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Sales Revenue, Goods, Net [Member] Revenue From Contract With Customer [Member] Concentration Risk Type Concentration Risk By Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Product Concentration Risk [Member] Product Concentration Risk [Member] Net Sales, amount Net Sales, percentage Concentration Risk Percentage1 Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Two thousand thirteen stock incentive plan. 2013 Incentive Plan [Member] Two Thousand Thirteen Stock Incentive Plan [Member] Award Date Award Date [Axis] Award Date Award Date [Domain] March nine two thousand twenty. March 9, 2020 [Member] March Nine Two Thousand Twenty [Member] May twelve two thousand twenty. May 12, 2020 [Member] May Twelve Two Thousand Twenty [Member] Options [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Shares of common stock Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted-average grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Weighted-average exercise price Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Share based compensation arrangement by share based payment award number of shares outstanding. Vesting Vesting [Axis] Vesting Vesting [Domain] Second Anniversary [Member] Share Based Compensation Award Tranche One [Member] Third Anniversary [Member] Share Based Compensation Award Tranche Two [Member] March two thousand seventeen. March 2017 [Member] March Two Thousand Seventeen [Member] Option one. Option One Option One [Member] March two thousand eighteen. March 2018 [Member] March Two Thousand Eighteen [Member] Two thousand nineteen. 2019 [Member] Two Thousand Nineteen [Member] Two thousand twenty. 2020 [Member] Two Thousand Twenty [Member] Number of shares authorized for issuance under plan Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Stock awards outstanding Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Outstanding Remaining shares available for issuance Common Stock Capital Shares Reserved For Future Issuance Vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Share-based compensation arrangement by share-based payment award payout percentage of shares granted. Performance stock awards vesting percentage Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage Performance stock awards payout percentage of shares granted Share Based Compensation Arrangement By Share Based Payment Award Payout Percentage Of Shares Granted Performance stock awards description Share Based Compensation Arrangement By Share Based Payment Award Description Awards vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of shares, outstanding Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Share-based compensation expense before income taxes Allocated Share Based Compensation Expense Income tax benefit Employee Service Share Based Compensation Tax Benefit From Compensation Expense Net share-based compensation expense Allocated Share Based Compensation Expense Net Of Tax Vested options, outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Unvested options, outstanding Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares Equity-based awards other than options, outstanding Unrecognized compensation expense related to outstanding options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Unrecognized compensation expense related to outstanding equity-based awards other than options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Total unrecognized compensation expense at June 28, 2020 Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Remaining weighted average recognition period Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1