Acquisitions And Divestitures (Narrative) (Details) (USD $)	3 Months Ended	9 Months Ended		3 Months Ended			6 Months Ended	9 Months Ended			0 Months Ended
	Apr. 30, 2011	Oct. 27, 2012	Oct. 29, 2011	Oct. 29, 2011 American Sporting Goods Corporation [Member]	Jul. 30, 2011 American Sporting Goods Corporation [Member]	Apr. 30, 2011 American Sporting Goods Corporation [Member]	Jul. 30, 2011 American Sporting Goods Corporation [Member]	Oct. 27, 2012 American Sporting Goods Corporation [Member]	Oct. 29, 2011 American Sporting Goods Corporation [Member]	Feb. 17, 2011 American Sporting Goods Corporation [Member]	Oct. 25, 2011 The Basketball Marketing Company, Inc. [Member]
Business Acquisition [Line Items]
Business acquisition cash paid on acquisition										$ 156,600,000
Business acquisition, debt assumed on acquisition										11,600,000
Goodwill										61,200,000
Intangible assets related to trade names, licensing agreements and customer relationships										46,700,000
Integration costs		700,000						700,000
Integration costs after-tax								400,000
Integration costs per diluted share								$ 0.01
Acquisition and integration costs				1,100,000					3,500,000
Inventory fair value adjustment in connection with acquisition					1,500,000	2,700,000	4,200,000		3,900,000
Inventory fair value adjustment after-tax basis in connection with acquisition									2,300,000
Inventory fair value adjustment per diluted share in connection with acquisition									0.05
Acquisition and integration costs after-tax				800,000					2,900,000
Acquisition and integration costs per diluted share				$ 0.02					$ 0.08
Eliminated expenses related to acquisition	1,600,000
Cash received in business disposition			55,350,000								55,400,000
Gain recorded in conjunction with business disposition											21,600,000
Elimination of goodwill related to business disposition											21,600,000
Intangible assets written-off related to business disposition											8,000,000
Other net assets written-off related to business disposition											$ 4,200,000