Mergers and Acquisitions (Details) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended		12 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013	Sep. 29, 2013	Jun. 29, 2014 Maximum [Member]	Jun. 29, 2014 Minimum [Member]	Sep. 29, 2013 Parkland and Other Acquisitions 2013 [Member]	Jun. 29, 2014 Parkland Acquisitions [Member]
Business acquisition
Aggregate fair value of purchase prices								$ 248,900,000
Cash paid to the sellers								171,600,000
Amount recorded as liabilities in accordance with the purchase agreements								2,000,000
Estimated fair value of contingent earn-out obligations	31,500,000		31,500,000					75,300,000
Aggregate maximum of contingent consideration	68,300,000		68,300,000					86,700,000
Earn out period for operating income projection						3 years	2 years
Net decreases in our contingent earn-out liabilities	8,900,000	7,700,000	34,900,000	8,700,000
Net gains on fair value adjustment in operating income	8,900,000	7,700,000	34,900,000	8,700,000
Goodwill balance	722,583,000		722,583,000		722,792,000				139,000,000
Earn-outs paid to former owners			20,600,000	24,400,000
Reported as cash used in financing activities			18,700,000	24,000,000
Reported as cash used in operating activities			$ 1,900,000	$ 400,000