Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended												12 Months Ended													12 Months Ended
	May 07, 2013 segment	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 23, 2012	Mar. 24, 2012	Dec. 24, 2011	Sep. 24, 2011	Jun. 25, 2011	Mar. 26, 2011	Dec. 25, 2010	Sep. 28, 2013 segment	Sep. 29, 2012	Sep. 24, 2011	Sep. 28, 2013 Corporate Unallocated	Sep. 29, 2012 Corporate Unallocated	Sep. 24, 2011 Corporate Unallocated	Sep. 28, 2013 Eliminations	Sep. 29, 2012 Eliminations	Sep. 24, 2011 Eliminations	Sep. 28, 2013 Domestic	Sep. 29, 2012 Domestic	Sep. 24, 2011 Domestic	May 08, 2013 Domestic segment	Sep. 24, 2011 Domestic Operating segments	Sep. 24, 2011 Domestic Eliminations	Sep. 28, 2013 Canada	Sep. 29, 2012 Canada	Sep. 24, 2011 Canada	Sep. 24, 2011 Canada Operating segments	Sep. 24, 2011 Canada Eliminations
Segment Reporting
Historical number of business segments	3
Number of reportable segments														2
Segment Reporting
Increase (decrease) in operating income (loss)																				$ (302)	$ (984)	$ 7,427	$ (38,755)	$ 20,068	$ (29,584)				$ 39,057	$ (19,084)	$ 22,157
Number of domestic segments into which SCBU and KBU were combined																										1
Net sales		1,047,177	967,072	1,004,792	1,339,059	946,736	869,194	885,052	1,158,216	711,883	717,210	647,658	574,148	4,358,100	3,859,198	2,650,899						(135,202)	3,725,008	3,233,674	2,152,432		2,189,287	36,855	633,092	625,524	498,467	596,814	98,347
Operating income (loss)														765,227	568,896	368,913	(148,539)	(84,251)	(73,259)			(25,193)	826,092	576,949	399,638				87,674	76,198	67,727
Depreciation and amortization														229,193	181,647	113,636	1,500	1,941	4				162,359	116,722	68,439				65,334	62,984	45,193
Stock compensation expense														$ 26,081	$ 17,868	$ 10,361	$ 13,653	$ 8,170	$ 4,372				$ 9,909	$ 7,808	$ 5,519				$ 2,519	$ 1,890	$ 470