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Cash Flow Information - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 24, 2025
Cash and Cash Equivalents [Abstract] |  |
Cash paid for Reorganization items, net | $ 29,850 | $ 10,339

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Cash paid for Reorganization items, net. + References No definition available. + Details
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Namespace Prefix: | ww_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration