Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Mar. 30, 2014	Mar. 31, 2013	Sep. 29, 2013
Property and Equipment
Property and equipment at cost, gross	$ 238,188		$ 238,188		$ 242,166
Accumulated depreciation	(157,836)		(157,836)		(154,140)
Property and equipment, net	80,352		80,352		88,026
Depreciation expense related to property and equipment, including assets under capital leases	6,578	7,522	13,707	14,330
Land and buildings
Property and Equipment
Property and equipment at cost, gross	5,372		5,372		5,565
Equipment, furniture and fixtures
Property and Equipment
Property and equipment at cost, gross	207,728		207,728		210,172
Leasehold improvements
Property and Equipment
Property and equipment at cost, gross	$ 25,088		$ 25,088		$ 26,429