Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014	Sep. 28, 2014
Property and Equipment
Property and equipment at cost, gross	$ 207,209		$ 207,209		$ 232,805
Accumulated depreciation	(138,607)		(138,607)		(158,941)
Property and equipment, net	68,602		68,602		73,864
Depreciation expense related to property and equipment, including assets under capital leases	5,319	$ 6,454	18,112	$ 20,160
Carrying value of property	4,700		4,700
Proceeds from sale of property and equipment			10,039	3,740
(Gain) loss on disposal of property and equipment			(5,295)	$ 66
Land and buildings
Property and Equipment
Property and equipment at cost, gross	3,647		3,647		4,029
Equipment, furniture and fixtures
Property and Equipment
Property and equipment at cost, gross	180,420		180,420		204,298
Leasehold improvements
Property and Equipment
Property and equipment at cost, gross	$ 23,142		$ 23,142		$ 24,478