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Business Segments - Additional Information (Detail) | 12 Months Ended
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Dec. 28, 2019
Segment Reporting [Abstract] |
Percentage of sources of footwear products from unrelated suppliers in foreign country region | 100.00%

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

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- Definition Percentage of sources of footwear products from unrelated suppliers in foreign country region. + References No definition available. + Details
Name: | www_PercentageOfSourcesOfFootwearProductsFromUnrelatedSuppliersInForeignCountryRegion
Namespace Prefix: | www_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration