Property and Equipment (Schedule Of Property And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2013	Nov. 30, 2012
Property, Plant and Equipment [Abstract]
Buildings	$ 77,938	$ 77,938
Equipment and software	68,225	64,956
Furniture and fixtures	7,785	8,475
Facility improvements	60,235	58,118
Property and equipment, gross	214,183	209,487
Less: Accumulated depreciation	(113,133)	(111,013)
Property and equipment, net	$ 101,050	$ 98,474

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 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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