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Business Acquisitions (Addition to Goodwill within Reportable Segments) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Business Acquisition [Line Items]    
Goodwill from the acquisition of PLG $ 408.8www_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedGoodwill $ 419.6www_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedGoodwill
Performance Group [Member]    
Business Acquisition [Line Items]    
Goodwill from the acquisition of PLG 82.5www_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedGoodwill
/ us-gaap_BusinessAcquisitionAxis
= www_PerformanceGroupMember		  
Lifestyle Group [Member]    
Business Acquisition [Line Items]    
Goodwill from the acquisition of PLG $ 326.3www_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedGoodwill
/ us-gaap_BusinessAcquisitionAxis
= www_LifestyleGroupMember