Income Taxes - Schedule of Components of Deferred Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2013	Sep. 30, 2012
Deferred income tax assets:
Self-insurance reserves	$ 29,883	$ 28,684
Deferred compensation	20,902	32,531
Payroll liabilities	32,068	32,614
State franchise tax	1,608	1,665
Inventories	2,306	2,371
Income deferred for book purposes	1,442	1,512
Other, net	4,179	3,540
Total deferred income tax assets	92,388	102,917
Deferred income tax liabilities:
Property and equipment	(28,991)	(30,113)
Other assets	(2,381)	(2,340)
Total deferred income tax liabilities	(31,372)	(32,453)
Net deferred income tax assets	$ 61,016	$ 70,464