XML 113 R102.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Accumulated Other Comprehensive Loss - Reclassifications out of Accumulated Other Comprehensive Loss (Detail) - Interest Rate Contracts - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022
Interest Expense |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Gain (Loss) on Qualifying Hedges | [1] | $ 3,545 | $ 12,980 | $ (3,090)
Loss Before Income Taxes |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Gain (Loss) on Qualifying Hedges | [1] | 3,545 | 12,980 | (3,090)
Provision for (benefit from) income taxes |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Gain (Loss) on Qualifying Hedges | [1] | (895) | (3,242) | 774
Net loss |  |  |  |
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Gain (Loss) on Qualifying Hedges | [1] | $ 2,650 | $ 9,738 | $ (2,316)
[1] | Amounts in parentheses indicate debits to profit/loss

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482765/220-10-50-6 + Details
Name: | us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash flow hedge gain (loss) reclassification adjustment out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | ww_CashFlowHedgeGainLossReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLoss
Namespace Prefix: | ww_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=ww_IncomeLossBeforeIncomeTaxesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=ww_BenefitFromIncomeTaxesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingIncomeLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |