Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of gain (loss) on sale of accounts receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121570589&loc=d3e107425-111719

Name:	us-gaap_GainLossOnSaleOfAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The amount of accounts receivable sold at their stated amount.

No definition available.

Name:	www_AccountsReceivableSold
Namespace Prefix:	www_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

The maximum amount of accounts receivable to be sold under the agreement.

No definition available.

Name:	www_SaleOfAccountsReceivableMaximumAmountUnderAgreement
Namespace Prefix:	www_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

For receivables sold uner the agreement, the percent of the stated amount paid in cash at time of sale.

No definition available.