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 of long-lived 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, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived 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, furniture and fixtures, and computer equipment.

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Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012	Sep. 30, 2012
Property and Equipment
Property and equipment at cost, gross	$ 236,121		$ 236,121		$ 209,427
Accumulated depreciation	(148,745)		(148,745)		(135,118)
Property and equipment, net	87,376		87,376		74,309
Depreciation expense related to property and equipment, including assets under capital leases	8,090	6,077	22,420	19,657
Land and buildings
Property and Equipment
Property and equipment at cost, gross	5,565		5,565		5,537
Equipment, furniture and fixtures
Property and Equipment
Property and equipment at cost, gross	205,511		205,511		177,710
Leasehold improvements
Property and Equipment
Property and equipment at cost, gross	$ 25,045		$ 25,045		$ 26,180