Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 29, 2013
Property and Equipment
Property and equipment at cost, gross	$ 202,126	$ 232,805
Accumulated depreciation	(137,220)	(158,941)
Property and equipment, net	64,906	73,864
Depreciation expense related to property and equipment, including assets under capital leases	23,110	26,452	$ 29,548
Proceeds from sale of property and equipment	10,426	4,594	2,089
Gain (loss) on disposal of property and equipment	6,014	(58)	287
RCM
Property and Equipment
Depreciation expense related to property and equipment, including assets under capital leases	1,801	2,958	$ 3,280
Carrying value of property	4,400
Proceeds from sale of property and equipment	10,400
Gain (loss) on disposal of property and equipment	6,000
Land and buildings
Property and Equipment
Property and equipment at cost, gross	3,661	4,029
Equipment, furniture and fixtures
Property and Equipment
Property and equipment at cost, gross	176,883	204,298
Leasehold improvements
Property and Equipment
Property and equipment at cost, gross	$ 21,582	$ 24,478