Quarterly Data (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Nov. 30, 2013	Aug. 31, 2013	Jun. 01, 2013	Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	Jun. 02, 2012	Mar. 03, 2012	Nov. 30, 2013	Dec. 01, 2012	Dec. 03, 2011
Quarterly Data (unaudited) [Abstract]
Net revenue	$ 533,531	$ 514,579	$ 519,016	$ 479,842	$ 513,255	$ 500,535	$ 526,995	$ 345,454	$ 2,046,968	$ 1,886,239	$ 1,444,085
Gross profit	145,672	144,507	146,616	133,376	143,714	134,324	136,551	102,687	570,171	517,276	403,832
Selling, general and administrative expenses	(92,619)	(90,604)	(93,806)	(97,640)	(95,395)	(91,355)	(92,956)	(75,029)	(374,669)	(354,735)	(286,871)
Special charges	(16,136)	(12,775)	(10,843)	(5,333)	(9,204)	(4,654)	(32,127)	(6,482)	(45,087)	(52,467)	(7,499)
Asset impairment charges					(846)	0	(671)	0	0	(1,517)	(332)
Income from continuing operations	$ 22,003	$ 27,150	$ 26,048	$ 20,774	$ 25,012	$ 24,607	$ 5,060	$ 13,608	$ 95,975	$ 68,287	$ 80,215
Income from continuing operations - basic	$ 0.44	$ 0.54	$ 0.52	$ 0.417	$ 0.50	$ 0.49	$ 0.10	$ 0.28	$ 1.92	$ 1.37	$ 1.64
Income from continuing operations - diluted	$ 0.42	$ 0.53	$ 0.509	$ 0.41	$ 0.49	$ 0.48	$ 0.10	$ 0.27	$ 1.87	$ 1.34	$ 1.61
Weighted Average Number Of Shares Outstanding Basic And Diluted [Abstract]
Basic	49,909	49,913	49,935	49,817	49,640	49,627	49,652	49,365	49,893	49,571	48,991
Diluted	51,236	51,127	51,152	51,027	50,798	50,699	50,722	50,253	51,136	50,618	49,866