Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Divestitures (Income (Loss) from Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended			1 Months Ended
	Sep. 30, 2012	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012	Jul. 31, 2013	Feb. 28, 2013	Dec. 31, 2012	Oct. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			$ (450)
Gain on sale, net of tax	11,187
Income (loss) from discontinued operations, net		0	35,130	2,490
Apama [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			10,550	17,593
Income (loss) before income taxes			(12,482)	(18,348)
Income tax provision (benefit)			(3,152)	(5,998)
Gain on sale, net of tax			22,070	0	22,070
Income (loss) from discontinued operations, net			12,740	(12,350)
Artix, Orbacus and Orbix [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			5,786	28,942
Income (loss) before income taxes			2,625	6,003
Income tax provision (benefit)			(130)	3,562
Gain on sale, net of tax			2,009	0		2,009
Income (loss) from discontinued operations, net			4,764	2,441
Actional, DataXtend, ObjectStore, Savvion, and Sonic [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue				81,576
Income (loss) before income taxes			(980)	(18,314)
Income tax provision (benefit)			(248)	(6,234)
Gain on sale, net of tax			18,358	0			18,358
Income (loss) from discontinued operations, net			17,626	(12,080)
Shadow [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			0	12,518
Income (loss) before income taxes			0	4,882
Income tax provision (benefit)			0	164
Gain on sale, net of tax			0	12,692				12,692
Income (loss) from discontinued operations, net			0	17,410
FuseSource [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue			0	14,484
Income (loss) before income taxes			0	(7,118)
Income tax provision (benefit)			0	(3,000)
Gain on sale, net of tax			0	11,187
Income (loss) from discontinued operations, net			$ 0	$ 7,069