Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	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. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Segment Reporting
Net sales	$ 1,195,567	$ 1,022,371	$ 1,103,072	$ 1,386,670	$ 1,047,177	$ 967,072	$ 1,004,792	$ 1,339,059	$ 946,736	$ 869,194	$ 885,052	$ 1,158,216	$ 4,707,680	$ 4,358,100	$ 3,859,198
Operating income (loss)													947,241	765,227	568,896
Depreciation and amortization													257,639	229,193	181,647
Stock compensation													30,673	26,081	17,868
Corporate, Non-Segment [Member]
Segment Reporting
Operating income (loss)													(171,941)	(148,539)	(84,251)
Depreciation and amortization													9,776	1,500	1,941
Stock compensation													13,873	13,653	8,170
Domestic Segment [Member]
Segment Reporting
Net sales													4,083,326	3,725,008	3,233,674
Operating income (loss)													1,016,577	826,092	576,949
Depreciation and amortization													185,874	162,359	116,722
Stock compensation													14,071	9,909	7,808
Canada Segment [Member]
Segment Reporting
Net sales													624,354	633,092	625,524
Operating income (loss)													102,605	87,674	76,198
Depreciation and amortization													61,989	65,334	62,984
Stock compensation													$ 2,729	$ 2,519	$ 1,890