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 - Net (Details) (USD $)	3 Months Ended		6 Months Ended
Property and Equipment - Net (Details) (USD $)	Apr. 01, 2012	Apr. 03, 2011	Apr. 01, 2012	Apr. 03, 2011	Oct. 02, 2011
Property and Equipment
Property and equipment at cost, gross	$ 203,083,000		$ 203,083,000		$ 195,677,000
Accumulated depreciation and amortization	(130,690,000)		(130,690,000)		(118,141,000)
Property and equipment at cost, net	72,393,000		72,393,000		77,536,000
Depreciation expense related to property and equipment, including assets under capital leases	6,800,000	6,700,000	13,600,000	13,400,000
Land and buildings
Property and Equipment
Property and equipment at cost, gross	11,729,000		11,729,000		11,729,000
Equipment, furniture and fixtures
Property and Equipment
Property and equipment at cost, gross	166,338,000		166,338,000		160,644,000
Leasehold improvements
Property and Equipment
Property and equipment at cost, gross	$ 25,016,000		$ 25,016,000		$ 23,304,000