The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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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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- Definition

Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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Property and Equipment (Details) (USD $)	12 Months Ended
Property and Equipment (Details) (USD $)	Sep. 30, 2012	Oct. 02, 2011	Oct. 03, 2010	Sep. 30, 2012 Selling, general and administrative expenses	Sep. 30, 2012 Prepaid expenses and other current assets	Sep. 30, 2012 Land and buildings	Oct. 02, 2011 Land and buildings	Sep. 30, 2012 Equipment, furniture and fixtures	Oct. 02, 2011 Equipment, furniture and fixtures	Sep. 30, 2012 Leasehold improvements	Oct. 02, 2011 Leasehold improvements
Property and Equipment
Property and equipment at cost, gross	$ 209,427,000	$ 195,677,000				$ 5,537,000	$ 11,729,000	$ 177,710,000	$ 160,644,000	$ 26,180,000	$ 23,304,000
Accumulated depreciation	(135,118,000)	(118,141,000)
Property and equipment, net	74,309,000	77,536,000
Depreciation expense related to property and equipment, including assets under capital leases	26,651,000	27,138,000	20,402,000
Carrying value of properties held for sale						5,800,000
Non-cash impairment charge				3,400,000
Carrying value of property					$ 2,400,000