Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

+ References+ Details

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Accrued Restructuring And Acquisition Integration Costs (Narrative) (Details) (USD $)	12 Months Ended					3 Months Ended	12 Months Ended	3 Months Ended
	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2011 Fiscal 2011 Restructuring Plan [Member]	Nov. 30, 2011 Fiscal 2010 Restructuring Plan [Member]	Nov. 30, 2010 Fiscal 2010 Restructuring Plan [Member]	Nov. 30, 2008 Fiscal 2008 Acquisition Integration Costs [Member]	Nov. 30, 2011 2002 Headquarter Restructuring Plan [Member]	Aug. 31, 2009 DataSynapse, Inc. [Member] Fiscal 2009 Acquisition Integration Costs [Member]
Restructuring Cost and Reserve [Line Items]
Estimated restructuring costs			$ 10,000,000		$ 7,200,000
Restructuring charges	8,926,000	6,953,000	8,800,000	100,000	7,000,000		49,300,000
Restructuring charges related to headquarter facilities							47,600,000
Restructuring charges related to headcount reductions							1,700,000
Acquisition of integration liabilities						3,300,000		1,600,000
Accrued restructuring cost, long-term liabilities	$ 1,050,000	$ 513,000