Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended
	May 07, 2013 segment	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014 segment	Mar. 30, 2013	Mar. 29, 2014 Corporate Unallocated	Mar. 30, 2013 Corporate Unallocated	Mar. 29, 2014 Corporate Unallocated	Mar. 30, 2013 Corporate Unallocated	Mar. 29, 2014 Domestic	Mar. 30, 2013 Domestic	Mar. 29, 2014 Domestic	Mar. 30, 2013 Domestic	May 08, 2013 Domestic segment	Mar. 29, 2014 Canada	Mar. 30, 2013 Canada	Mar. 29, 2014 Canada	Mar. 30, 2013 Canada
Segment Reporting
Historical number of business segments	3
Number of reportable segments				2
Segment Reporting
Number of domestic segments into which SCBU and KBU were combined														1
Net sales		$ 1,103,072	$ 1,004,792	$ 2,489,742	$ 2,343,851					$ 970,268	$ 865,595	$ 2,162,134	$ 1,997,530		$ 132,804	$ 139,197	$ 327,608	$ 346,321
Operating income (loss)		260,486	212,104	487,112	394,545	(38,302)	(48,066)	(76,449)	(82,600)	278,030	239,931	510,830	430,948		20,758	20,239	52,731	46,197
Depreciation and amortization		67,016	55,414	126,164	110,759	2,086	535	4,420	730	49,655	38,600	89,781	77,592		15,275	16,279	31,963	32,437
Stock compensation		$ 8,637	$ 8,962	$ 15,719	$ 15,072	$ 3,962	$ 5,358	$ 6,308	$ 8,524	$ 3,945	$ 2,674	$ 7,651	$ 5,193		$ 730	$ 930	$ 1,760	$ 1,355