Accounts Receivable (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 28, 2015	Jan. 03, 2015
Accounts Receivables [Abstract]
Sale of accounts receivable, maximum amount under agreement	$ 200.0
Sale of accounts receivable percent paid at sale	90.00%
Accounts receivable, reduction due to sale	91.3	60.9
Accounts receivable sold	157.3www_AccountsReceivableSold
Fee charged on sale of accounts receivable	$ 0.3

Reflects the net positive or negative amount derived from subtracting from net proceeds of sale, the carrying amounts, net of allocated reserves, of accounts receivable transferred to a third party in a transaction that qualifies for sales treatment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107425-111719

+ Details

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

- Definition

The amounts of accounts receivable balance reduced as of the balance sheet date due to the sale of accounts receivable.

+ References

No definition available.

+ Details

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

- Details

Name:	www_AccountsReceivablesAbstract
Namespace Prefix:	www_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of accounts receivable sold at their stated amount.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

Name:	www_SaleOfAccountsReceivablePercentPaidAtSale
Namespace Prefix:	www_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant