Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

+ Details

Name:	us-gaap_Assets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

Name:	us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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

- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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

- Details

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

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=www_HeritageGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=www_LifestyleGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=www_PerformanceGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Segments - Business Segment Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Sep. 06, 2014	Jun. 14, 2014	Mar. 22, 2014	Sep. 07, 2013	Jun. 15, 2013	Mar. 23, 2013	Jan. 03, 2015	Dec. 28, 2013	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Segment Reporting Information [Line Items]
Revenue	$ 711.1us-gaap_SalesRevenueGoodsNet	$ 613.5us-gaap_SalesRevenueGoodsNet	$ 627.6us-gaap_SalesRevenueGoodsNet	$ 716.6us-gaap_SalesRevenueGoodsNet	$ 587.8us-gaap_SalesRevenueGoodsNet	$ 645.9us-gaap_SalesRevenueGoodsNet	$ 808.9us-gaap_SalesRevenueGoodsNet	$ 740.8us-gaap_SalesRevenueGoodsNet	$ 2,761.1us-gaap_SalesRevenueGoodsNet	$ 2,691.1us-gaap_SalesRevenueGoodsNet	$ 1,640.8us-gaap_SalesRevenueGoodsNet
Operating profit (loss):									229.9us-gaap_OperatingIncomeLoss	192.3us-gaap_OperatingIncomeLoss	113.7us-gaap_OperatingIncomeLoss
Depreciation and amortization expense:									53.3	56.2	27.7
Capital expenditures:									30.0	41.7	14.9
Total assets							2,504.5us-gaap_Assets	2,622.2us-gaap_Assets	2,504.5us-gaap_Assets	2,622.2us-gaap_Assets	2,614.4us-gaap_Assets
Goodwill							438.8us-gaap_Goodwill	445.3us-gaap_Goodwill	438.8us-gaap_Goodwill	445.3us-gaap_Goodwill	459.9us-gaap_Goodwill
Lifestyle Group [Member]
Segment Reporting Information [Line Items]
Revenue									1,059.3	1,086.6	309.6
Operating profit (loss):									130.2	168.2	44.6
Depreciation and amortization expense:									7.5	6.5	2.0
Capital expenditures:									9.1	18.3	1.7
Total assets							1,378.8	1,431.1	1,378.8	1,431.1	1,338.3
Goodwill							323.8	329.0	323.8	329.0	349.5
Performance Group [Member]
Segment Reporting Information [Line Items]
Revenue									990.7	945.8	674.6
Operating profit (loss):									197.6	179.8	128.4
Depreciation and amortization expense:									3.5	3.7	3.0
Capital expenditures:									3.6	3.3	1.9
Total assets							485.8	476.4	485.8	476.4	513.7
Goodwill							92.5	92.8	92.5	92.8	87.0
Heritage Group [Member]
Segment Reporting Information [Line Items]
Revenue									607.0	567.4	563.9
Operating profit (loss):									95.4	85.7	83.5
Depreciation and amortization expense:									1.1	1.2	1.2
Capital expenditures:									0.5	0.9	0.3
Total assets							246.4	247.2	246.4	247.2	319.0
Goodwill							22.5	23.5	22.5	23.5	23.4
Other
Segment Reporting Information [Line Items]
Revenue									104.1	91.3	92.7
Operating profit (loss):									3.9	0.2	(1.1)
Depreciation and amortization expense:									4.0	4.1	4.0
Capital expenditures:									4.3	5.4	2.5
Total assets							52.1	56.9	52.1	56.9	80.8
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss):									(197.2)	(241.6)	(141.7)
Depreciation and amortization expense:									37.2	40.7	17.5
Capital expenditures:									12.5	13.8	8.5
Total assets							$ 341.4	$ 410.6	$ 341.4	$ 410.6	$ 362.6