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Basis of Presentation - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2022 | Jul. 02, 2022
Income Tax Expense (Benefit) |  |
Income Taxes [Line Items] |  |
Amount of error being corrected | $ (2,150) | $ (2,150)

X
- Definition Income taxes. + References No definition available. + Details
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Balance Type: | na
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X
- Definition Quantifying misstatement prior period financial statements amount. + References No definition available. + Details
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Namespace Prefix: | ww_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |