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Litigation and Contingencies (Minimum Royalty and Advertising Obligations Due Under Terms of Certain Licenses Held by Company) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 28, 2015
Royalties [Member]  
Unrecorded Unconditional Purchase Obligation [Line Items]  
2015 $ 1.3us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_RoyaltiesMember
2016 0us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_RoyaltiesMember
2017 0us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_RoyaltiesMember
2018 0us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_RoyaltiesMember
2019 0us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_RoyaltiesMember
Thereafter 0us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_RoyaltiesMember
Advertising [Member]  
Unrecorded Unconditional Purchase Obligation [Line Items]  
2015 6.9us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_AdvertisingMember
2016 3.1us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_AdvertisingMember
2017 3.2us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_AdvertisingMember
2018 3.3us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_AdvertisingMember
2019 3.4us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_AdvertisingMember
Thereafter $ 7.1us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
/ us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis
= www_AdvertisingMember