Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Property and Equipment (Details) (USD $)	3 Months Ended		6 Months Ended
Property and Equipment (Details) (USD $)	Mar. 29, 2015	Mar. 30, 2014	Mar. 29, 2015	Mar. 30, 2014	Sep. 28, 2014
Property and Equipment
Property and equipment at cost, gross	$ 200,751,000us-gaap_PropertyPlantAndEquipmentGross		$ 200,751,000us-gaap_PropertyPlantAndEquipmentGross		$ 232,805,000us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation	(135,644,000)		(135,644,000)		(158,941,000)
Property and equipment, net	65,107,000us-gaap_PropertyPlantAndEquipmentNet		65,107,000us-gaap_PropertyPlantAndEquipmentNet		73,864,000us-gaap_PropertyPlantAndEquipmentNet
Depreciation expense related to property and equipment, including assets under capital leases	5,929,000us-gaap_Depreciation	6,578,000us-gaap_Depreciation	12,793,000us-gaap_Depreciation	13,707,000us-gaap_Depreciation
Carrying value of property	3,600,000		3,600,000
Proceeds from sale of property and equipment			9,824,000	2,957,000
(Gain) loss on disposal of property and equipment			(6,175,000)	717,000
Land and buildings
Property and Equipment
Property and equipment at cost, gross	3,648,000		3,648,000		4,029,000
Equipment, furniture and fixtures
Property and Equipment
Property and equipment at cost, gross	174,056,000		174,056,000		204,298,000
Leasehold improvements
Property and Equipment
Property and equipment at cost, gross	$ 23,047,000		$ 23,047,000		$ 24,478,000