Property And Equipment (Details) (USD $)	12 Months Ended
Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 104,761,000	$ 127,447,000
Less accumulated depreciation and amortization	(47,731,000)	(64,376,000)
Property and equipment, net	57,030,000	63,071,000
Depreciation and amortization expense	10,300,000	9,300,000	8,800,000
Computer equipment and software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	45,270,000	58,447,000
Land, buildings and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	52,384,000	60,282,000
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 7,107,000	$ 8,718,000

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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