Business Acquisitions (Addition to Goodwill within Reportable Segments) (Details) (USD $) In Millions, unless otherwise specified	Sep. 07, 2013	Dec. 29, 2012
Business Acquisition [Line Items]
Goodwill from the acquisition of PLG	$ 408.5	$ 419.6
Performance Group [Member]
Business Acquisition [Line Items]
Goodwill from the acquisition of PLG	82.4
Lifestyle Group [Member]
Business Acquisition [Line Items]
Goodwill from the acquisition of PLG	$ 326.1

Business combination recognized identifiable assets acquired and liabilities assumed goodwill.

No definition available.

Name:	www_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedGoodwill
Namespace Prefix:	www_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant