Property, Equipment and Improvements, Net (Details) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2011	Sep. 30, 2011
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 784,982	$ 761,280
Accumulated depreciation and amortization	(493,553)	(476,647)
Property, plant and equipment, net	291,429	284,633
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	23,432	23,542
Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	133,581	136,161
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	463,971	446,628
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	147,567	144,903
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 16,431	$ 10,046

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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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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