3.19.2 html 353 403 1 true 80 0 false 5 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/StatementCONSOLIDATEDBALANCESHEETS CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 100020 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/StatementCONSOLIDATEDBALANCESHEETSParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 100030 - Statement - CONSOLIDATED STATEMENTS OF NET INCOME Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFNETINCOME CONSOLIDATED STATEMENTS OF NET INCOME Statements 4 false false R5.htm 100040 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statements 5 false false R6.htm 100050 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN TOTAL DEFICIT Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFCHANGESINTOTALDEFICIT CONSOLIDATED STATEMENTS OF CHANGES IN TOTAL DEFICIT Statements 6 false false R7.htm 100060 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFCASHFLOWS CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 100070 - Disclosure - Basis of Presentation Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureBasisOfPresentation Basis of Presentation Notes 8 false false R9.htm 100080 - Disclosure - Recently Issued Accounting Standards Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRecentlyIssuedAccountingStandards Recently Issued Accounting Standards Notes 9 false false R10.htm 100090 - Disclosure - Accounting Standards Adopted in Current Year Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureAccountingStandardsAdoptedInCurrentYear Accounting Standards Adopted in Current Year Notes 10 false false R11.htm 100100 - Disclosure - Leases Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeases Leases Notes 11 false false R12.htm 100110 - Disclosure - Revenue Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRevenue Revenue Notes 12 false false R13.htm 100120 - Disclosure - Franchise Rights Acquired, Goodwill and Other Intangible Assets Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFranchiseRightsAcquiredGoodwillAndOtherIntangibleAssets Franchise Rights Acquired, Goodwill and Other Intangible Assets Notes 13 false false R14.htm 100130 - Disclosure - Long-Term Debt Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLongTermDebt Long-Term Debt Notes 14 false false R15.htm 100140 - Disclosure - Earnings Per Share Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureEarningsPerShare Earnings Per Share Notes 15 false false R16.htm 100150 - Disclosure - Stock Plans Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureStockPlans Stock Plans Notes 16 false false R17.htm 100160 - Disclosure - Income Taxes Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureIncomeTaxes Income Taxes Notes 17 false false R18.htm 100170 - Disclosure - Legal Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLegal Legal Notes 18 false false R19.htm 100180 - Disclosure - Derivative Instruments and Hedging Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureDerivativeInstrumentsAndHedging Derivative Instruments and Hedging Notes 19 false false R20.htm 100190 - Disclosure - Fair Value Measurements Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFairValueMeasurements Fair Value Measurements Notes 20 false false R21.htm 100200 - Disclosure - Accumulated Other Comprehensive Loss Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLoss Accumulated Other Comprehensive Loss Notes 21 false false R22.htm 100210 - Disclosure - Segment Data Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureSegmentData Segment Data Notes 22 false false R23.htm 100220 - Disclosure - Related Party Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRelatedParty Related Party Notes 23 false false R24.htm 100230 - Disclosure - Restructuring Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRestructuring Restructuring Notes 24 false false R25.htm 100240 - Disclosure - Leases (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesTables Leases (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeases 25 false false R26.htm 100250 - Disclosure - Revenue (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRevenueTables Revenue (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRevenue 26 false false R27.htm 100260 - Disclosure - Franchise Rights Acquired, Goodwill and Other Intangible Assets (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFranchiseRightsAcquiredGoodwillAndOtherIntangibleAssetsTables Franchise Rights Acquired, Goodwill and Other Intangible Assets (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFranchiseRightsAcquiredGoodwillAndOtherIntangibleAssets 27 false false R28.htm 100270 - Disclosure - Long-Term Debt (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLongTermDebtTables Long-Term Debt (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLongTermDebt 28 false false R29.htm 100280 - Disclosure - Earnings Per Share (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureEarningsPerShareTables Earnings Per Share (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureEarningsPerShare 29 false false R30.htm 100290 - Disclosure - Income Taxes (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureIncomeTaxes 30 false false R31.htm 100300 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFairValueMeasurements 31 false false R32.htm 100310 - Disclosure - Accumulated Other Comprehensive Loss (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossTables Accumulated Other Comprehensive Loss (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLoss 32 false false R33.htm 100320 - Disclosure - Segment Data (Tables) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureSegmentDataTables Segment Data (Tables) Tables http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureSegmentData 33 false false R34.htm 100330 - Disclosure - Leases - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesAdditionalInformationDetail Leases - Additional Information (Detail) Details 34 false false R35.htm 100340 - Disclosure - Leases - Schedule of Lease Assets and Lease Liabilities (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesScheduleOfLeaseAssetsAndLeaseLiabilitiesDetail Leases - Schedule of Lease Assets and Lease Liabilities (Detail) Details 35 false false R36.htm 100350 - Disclosure - Leases - Schedule of Components of Lease Expense (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesScheduleOfComponentsOfLeaseExpenseDetail Leases - Schedule of Components of Lease Expense (Detail) Details 36 false false R37.htm 100360 - Disclosure - Leases - Summary of Weighted Average Remaining Lease Term and Weighted Average Discount Rates (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesSummaryOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRatesDetail Leases - Summary of Weighted Average Remaining Lease Term and Weighted Average Discount Rates (Detail) Details 37 false false R38.htm 100370 - Disclosure - Leases - Schedule of Maturity of Lease Liabilities (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesScheduleOfMaturityOfLeaseLiabilitiesDetail Leases - Schedule of Maturity of Lease Liabilities (Detail) Details 38 false false R39.htm 100390 - Disclosure - Leases - Minimum Commitments Under Non-Cancelable Obligations (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesMinimumCommitmentsUnderNonCancelableObligationsDetail Leases - Minimum Commitments Under Non-Cancelable Obligations (Detail) Details 39 false false R40.htm 100400 - Disclosure - Leases - Summary of Supplemental Cash Flow Information Related To Leases (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLeasesSummaryOfSupplementalCashFlowInformationRelatedToLeasesDetail Leases - Summary of Supplemental Cash Flow Information Related To Leases (Detail) Details 40 false false R41.htm 100410 - Disclosure - Revenue - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRevenueAdditionalInformationDetail Revenue - Additional Information (Detail) Details 41 false false R42.htm 100420 - Disclosure - Revenue - Schedule of Revenues Disaggregated by Revenue Source (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRevenueScheduleOfRevenuesDisaggregatedByRevenueSourceDetail Revenue - Schedule of Revenues Disaggregated by Revenue Source (Detail) Details 42 false false R43.htm 100430 - Disclosure - Revenue - Schedule of Revenues Disaggregated by Segment (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRevenueScheduleOfRevenuesDisaggregatedBySegmentDetail Revenue - Schedule of Revenues Disaggregated by Segment (Detail) Details 43 false false R44.htm 100440 - Disclosure - Revenue - Schedule of Accounts Receivable and Deferred Revenues (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRevenueScheduleOfAccountsReceivableAndDeferredRevenuesDetail Revenue - Schedule of Accounts Receivable and Deferred Revenues (Detail) Details 44 false false R45.htm 100450 - Disclosure - Changes in Carrying Values of Goodwill (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureChangesInCarryingValuesOfGoodwillDetail Changes in Carrying Values of Goodwill (Detail) Details 45 false false R46.htm 100460 - Disclosure - Franchise Rights Acquired, Goodwill and Other Intangible Assets - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFranchiseRightsAcquiredGoodwillAndOtherIntangibleAssetsAdditionalInformationDetail Franchise Rights Acquired, Goodwill and Other Intangible Assets - Additional Information (Detail) Details 46 false false R47.htm 100470 - Disclosure - Carrying Amount of Finite-Lived Intangible Assets (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureCarryingAmountOfFiniteLivedIntangibleAssetsDetail Carrying Amount of Finite-Lived Intangible Assets (Detail) Details 47 false false R48.htm 100480 - Disclosure - Estimated Amortization Expense of Existing Finite-Lived Intangible Assets (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureEstimatedAmortizationExpenseOfExistingFiniteLivedIntangibleAssetsDetail Estimated Amortization Expense of Existing Finite-Lived Intangible Assets (Detail) Details 48 false false R49.htm 100490 - Disclosure - Components of Current and Long-Term Debt (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureComponentsOfCurrentAndLongTermDebtDetail Components of Current and Long-Term Debt (Detail) Details 49 false false R50.htm 100500 - Disclosure - Long-Term Debt - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureLongTermDebtAdditionalInformationDetail Long-Term Debt - Additional Information (Detail) Details 50 false false R51.htm 100510 - Disclosure - Computation of Basic and Diluted Earnings Per Share (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureComputationOfBasicAndDilutedEarningsPerShareDetail Computation of Basic and Diluted Earnings Per Share (Detail) Details 51 false false R52.htm 100520 - Disclosure - Earnings Per Share - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureEarningsPerShareAdditionalInformationDetail Earnings Per Share - Additional Information (Detail) Details 52 false false R53.htm 100530 - Disclosure - Stock Plans - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureStockPlansAdditionalInformationDetail Stock Plans - Additional Information (Detail) Details 53 false false R54.htm 100540 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 54 false false R55.htm 100550 - Disclosure - Income Taxes - Summary of Differences Between U.S. Federal Statutory Tax Rate and Company's Consolidated Effective Tax Rate (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureIncomeTaxesSummaryOfDifferencesBetweenUSFederalStatutoryTaxRateAndCompanySConsolidatedEffectiveTaxRateDetail Income Taxes - Summary of Differences Between U.S. Federal Statutory Tax Rate and Company's Consolidated Effective Tax Rate (Detail) Details 55 false false R56.htm 100560 - Disclosure - Derivative Instruments and Hedging - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureDerivativeInstrumentsAndHedgingAdditionalInformationDetail Derivative Instruments and Hedging - Additional Information (Detail) Details 56 false false R57.htm 100570 - Disclosure - Fair Value Measurements - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail Fair Value Measurements - Additional Information (Detail) Details 57 false false R58.htm 100580 - Disclosure - Aggregate Fair Value of Derivative Financial Instruments (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureAggregateFairValueOfDerivativeFinancialInstrumentsDetail Aggregate Fair Value of Derivative Financial Instruments (Detail) Details 58 false false R59.htm 100590 - Disclosure - Changes in Accumulated Other Comprehensive Loss by Component (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureChangesInAccumulatedOtherComprehensiveLossByComponentDetail Changes in Accumulated Other Comprehensive Loss by Component (Detail) Details 59 false false R60.htm 100600 - Disclosure - Reclassifications out of Accumulated Other Comprehensive Loss (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureReclassificationsOutOfAccumulatedOtherComprehensiveLossDetail Reclassifications out of Accumulated Other Comprehensive Loss (Detail) Details 60 false false R61.htm 100610 - Disclosure - Segment Data - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureSegmentDataAdditionalInformationDetail Segment Data - Additional Information (Detail) Details 61 false false R62.htm 100620 - Disclosure - Information About Reportable Segments (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureInformationAboutReportableSegmentsDetail Information About Reportable Segments (Detail) Details 62 false false R63.htm 100630 - Disclosure - Related Party - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRelatedPartyAdditionalInformationDetail Related Party - Additional Information (Detail) Details 63 false false R64.htm 100640 - Disclosure - Restructuring - Additional Information (Detail) Sheet http://www.weightwatchersinternational.com/20190629/taxonomy/role/DisclosureRestructuringAdditionalInformationDetail Restructuring - Additional Information (Detail) Details 64 false false All Reports Book All Reports ww-10q_20190629.htm ww-20190629.xsd ww-20190629_cal.xml ww-20190629_def.xml ww-20190629_lab.xml ww-20190629_pre.xml ww-ex101_9.htm ww-ex311_7.htm ww-ex312_6.htm ww-ex321_8.htm http://fasb.org/srt/2019-01-31 http://xbrl.sec.gov/country/2017-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/us-gaap/2019-01-31 true true