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Leases - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 01, 2022 | Oct. 01, 2022
Lessee Lease Description [Line Items] |  |
Lease weighted average remaining lease term |  | 6 years 11 months 26 days
Lease asset impairment charge | $ 1,828 | $ 1,828
Minimum |  |
Lessee Lease Description [Line Items] |  |
Leases, remaining lease term |  | 0 years
Maximum |  |
Lessee Lease Description [Line Items] |  |
Leases, remaining lease term |  | 10 years

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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919398-209981 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | duration

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- 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 No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Lease weighted average remaining lease term. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Lessee remaining lease term. + References No definition available. + Details
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Namespace Prefix: | ww_
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Period Type: | duration

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- Details
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Balance Type: |
Period Type: |

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- Details
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