Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended			9 Months Ended
	Jun. 28, 2014	Jun. 28, 2014 Domestic Segment [Member]	Sep. 28, 2013 Domestic Segment [Member]	Jun. 28, 2014 Canada Segment [Member]
Changes in the carrying amount of goodwill
Balance at the beginning of the period	$ 788,184	$ 369,353	$ 369,353	$ 418,831
Foreign currency effect	(14,245)			(14,245)
Other	(233)			(233)
Balance at the end of the period	$ 773,706	$ 369,353	$ 369,353	$ 404,353