Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Revenue:
Software licenses	$ 117,801us-gaap_LicensesRevenue	$ 122,312us-gaap_LicensesRevenue	$ 106,626us-gaap_LicensesRevenue
Maintenance and services	214,732us-gaap_SalesRevenueServicesNet	211,684us-gaap_SalesRevenueServicesNet	210,986us-gaap_SalesRevenueServicesNet
Total revenue	332,533us-gaap_SalesRevenueNet	333,996us-gaap_SalesRevenueNet	317,612us-gaap_SalesRevenueNet
Costs of revenue:
Cost of software licenses	6,396us-gaap_LicenseCosts	6,889us-gaap_LicenseCosts	5,776us-gaap_LicenseCosts
Cost of maintenance and services	24,864us-gaap_CostOfServices	26,753us-gaap_CostOfServices	29,878us-gaap_CostOfServices
Amortization of acquired intangibles	2,999us-gaap_CostOfGoodsSoldAmortization	1,340us-gaap_CostOfGoodsSoldAmortization	660us-gaap_CostOfGoodsSoldAmortization
Total costs of revenue	34,259us-gaap_CostOfGoodsAndServicesSold	34,982us-gaap_CostOfGoodsAndServicesSold	36,314us-gaap_CostOfGoodsAndServicesSold
Gross profit	298,274us-gaap_GrossProfit	299,014us-gaap_GrossProfit	281,298us-gaap_GrossProfit
Operating expenses:
Sales and marketing	101,496us-gaap_SellingAndMarketingExpense	105,997us-gaap_SellingAndMarketingExpense	98,838us-gaap_SellingAndMarketingExpense
Product development	58,965	57,336	44,443
General and administrative	48,292us-gaap_GeneralAndAdministrativeExpense	55,994us-gaap_GeneralAndAdministrativeExpense	61,989us-gaap_GeneralAndAdministrativeExpense
Amortization of acquired intangibles	653	760	820
Restructuring expenses	2,266us-gaap_RestructuringCharges	11,983us-gaap_RestructuringCharges	7,204us-gaap_RestructuringCharges
Acquisition-related expenses	5,862	3,204	215
Total operating expenses	217,534us-gaap_OperatingExpenses	235,274us-gaap_OperatingExpenses	213,509us-gaap_OperatingExpenses
Income from operations	80,740us-gaap_OperatingIncomeLoss	63,740us-gaap_OperatingIncomeLoss	67,789us-gaap_OperatingIncomeLoss
Other income (expense):
Interest income and other	(489)us-gaap_OtherNonoperatingIncomeExpense	1,201us-gaap_OtherNonoperatingIncomeExpense	2,574us-gaap_OtherNonoperatingIncomeExpense
Foreign currency loss	(2,447)	(2,158)	(2,378)
Total other income (expense), net	(2,936)us-gaap_NonoperatingIncomeExpense	(957)us-gaap_NonoperatingIncomeExpense	196us-gaap_NonoperatingIncomeExpense
Income from continuing operations before income taxes	77,804	62,783	67,985
Provision for income taxes	28,346us-gaap_IncomeTaxExpenseBenefit	23,006us-gaap_IncomeTaxExpenseBenefit	23,031us-gaap_IncomeTaxExpenseBenefit
Income from continuing operations	49,458	39,777	44,954
Income from discontinued operations, net	0	35,130	2,490
Net income	$ 49,458us-gaap_NetIncomeLoss	$ 74,907us-gaap_NetIncomeLoss	$ 47,444us-gaap_NetIncomeLoss
Basic:
Continuing operations (in dollars per share)	$ 0.97	$ 0.73	$ 0.71
Discontinued operations (in dollars per share)	$ 0.00	$ 0.64	$ 0.04
Net income per share (in dollars per share)	$ 0.97us-gaap_EarningsPerShareBasic	$ 1.37us-gaap_EarningsPerShareBasic	$ 0.75us-gaap_EarningsPerShareBasic
Diluted:
Continuing operations (in dollars per share)	$ 0.96	$ 0.72	$ 0.71
Discontinued operations (in dollars per share)	$ 0.00	$ 0.63	$ 0.04
Net income per share (in dollars per share)	$ 0.96us-gaap_EarningsPerShareDiluted	$ 1.35us-gaap_EarningsPerShareDiluted	$ 0.74us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding:
Basic (in shares)	50,840	54,516	62,881
Diluted (in shares)	51,466	55,379	63,741

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