XML 57 R49.htm IDEA: XBRL DOCUMENT
v3.23.2

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Jan. 01, 2022 | Jan. 02, 2021 | Oct. 01, 2022 | Jul. 02, 2022
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Lease asset impairment charge | $ 2,680 |  |  |  |
Net book value of franchise rights acquired | $ 383,683 | $ 782,056 |  |  |
Franchise right maturity period | 7 years |  |  |  |
Net book value of goodwill | $ 155,998 | 157,374 | $ 155,617 |  |
Revenue, practical expedient, remaining performance obligation, description | contracts with an original expected length of one year or less. |  |  |  |
Revenue, remaining performance obligation, optional exemption, performance obligation | true |  |  |  |
Advertising expenses | $ 238,978 | 252,754 | 248,473 |  |
Deferred financing costs, amortization expense | $ 5,018 | 6,136 | 8,845 |  |
Minimum |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Equipment, estimated useful life (in years) | 3 years |  |  |  |
Finite-lived intangible assets, estimated useful life (in years) | 3 years |  |  |  |
Maximum |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Equipment, estimated useful life (in years) | 10 years |  |  |  |
Finite-lived intangible assets, estimated useful life (in years) | 20 years |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Long-lived assets, impairment charges | $ 758 | 516 | 1,310 |  |
Internal-Use Computer Software |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Long-lived assets, impairment charges | $ 17 | 5 | $ 62 |  |
Franchise Rights Acquired | Maximum |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Finite-lived intangible assets, estimated useful life (in years) | 1 year |  |  |  |
Website development costs |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Finite-lived intangible assets, estimated useful life (in years) | 3 years |  |  |  |
Other Capitalized Software Costs | Minimum |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Finite-lived intangible assets, estimated useful life (in years) | 3 years |  |  |  |
Other Capitalized Software Costs | Maximum |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Finite-lived intangible assets, estimated useful life (in years) | 5 years |  |  |  |
United States |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of goodwill | $ 104,019 | $ 105,121 |  |  |
Percentage of goodwill | 66.70% | 66.80% |  |  |
United States | Franchise Rights Acquired |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of franchise rights acquired | $ 374,353 | $ 698,383 |  | $ 400,092 | $ 698,383
Percentage of franchise rights acquired | 97.60% | 89.30% |  | 91.50% | 92.70%
Canada |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of goodwill | $ 39,547 | $ 42,409 |  |  |
Percentage of goodwill | 25.30% | 26.90% |  |  |
Canada | Franchise Rights Acquired |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of franchise rights acquired |  | $ 60,117 |  | $ 19,342 | $ 34,556
Percentage of franchise rights acquired |  | 7.70% |  | 4.40% | 4.60%
United Kingdom | Franchise Rights Acquired |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of franchise rights acquired | $ 2,666 | $ 12,187 |  |  |
Percentage of franchise rights acquired | 0.70% | 1.60% |  |  |
Australia | Franchise Rights Acquired |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of franchise rights acquired | $ 4,232 | $ 6,529 |  |  |
Percentage of franchise rights acquired | 1.10% | 0.80% |  |  |
New Zealand | Franchise Rights Acquired |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of franchise rights acquired | $ 2,432 | $ 4,840 |  | $ 2,141 | $ 3,574
Percentage of franchise rights acquired | 0.60% | 0.60% |  | 0.50% | 0.50%
Other Countries |  |  |  |  |
Organization And Summary Of Significant Accounting Policies Disclosure [Line Items] |  |  |  |  |
Net book value of goodwill | $ 12,432 | $ 9,844 |  |  |
Percentage of goodwill | 8.00% | 6.30% |  |  |

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 35 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483406/720-35-50-1 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of amortization expense attributable to debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_AmortizationOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481372/852-10-55-10 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482548/350-20-55-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482598/350-20-45-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding lessor's underlying asset for which right to use has been conveyed to lessee under operating lease, of impairment for long-lived asset held for use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-2 + Details
Name: | us-gaap_ImpairmentExcludingLessorAssetUnderOperatingLease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-15 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indicates (true false) whether optional exemption was applied not to disclose amount of transaction price allocated to and explanation of expected timing of revenue recognition for remaining performance obligation, when contract has expected duration of one year or less or right to consideration corresponds directly to performance completed. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-15 + Details
Name: | us-gaap_RevenuePracticalExpedientRemainingPerformanceObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of consideration that is not included in transaction price and not allocated to remaining performance obligation. Includes, but is not limited to, variable consideration that is constrained. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-15 + Details
Name: | us-gaap_RevenuePracticalExpedientRemainingPerformanceObligationDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Franchise agreement period. + References No definition available. + Details
Name: | ww_FranchiseAgreementPeriod
Namespace Prefix: | ww_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Organization and Summary of Significant Accounting Policies Disclosure [Line Items] + References No definition available. + Details
Name: | ww_OrganizationAndSummaryOfSignificantAccountingPoliciesDisclosureLineItems
Namespace Prefix: | ww_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of franchise rights acquired. + References No definition available. + Details
Name: | ww_PercentageOfFranchiseRightsAcquired
Namespace Prefix: | ww_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of goodwill + References No definition available. + Details
Name: | ww_PercentageOfGoodwill
Namespace Prefix: | ww_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_PropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ww_InternalUseComputerSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ww_FiniteLivedFranchiseRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ww_InternalUseSoftwareContentAndWebsiteDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ww_OtherCapitalizedSoftwareCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_FranchiseRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_AU
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_NZ
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=ww_OtherCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |