Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Cash flows from operating activities:
Net income	$ 3,216	$ (971)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	2,230	2,595
Amortization of intangibles and other	7,710	8,546
Stock-based compensation	6,937	5,836
Deferred income taxes	(516)	(17,933)
Excess tax benefit from stock plans	(63)	(179)
Allowances for accounts receivable	(136)	207
Changes in operating assets and liabilities:
Accounts receivable	7,695	13,076
Other assets	(4,462)	5,724
Accounts payable and accrued liabilities	(11,167)	(5,068)
Income taxes payable	46	508
Deferred revenue	11,012	24,799
Net cash flows from operating activities	22,502	37,140
Cash flows used in investing activities:
Purchases of investments	(22,258)	(7,221)
Sales and maturities of investments	3,185	3,095
Purchases of property and equipment	(1,414)	(2,335)
Capitalized software development costs	0	(306)
Payments for acquisitions, net of cash acquired	0	(246,275)
Proceeds from divestitures, net	0	4,500
Net cash flows used in investing activities	(20,487)	(248,542)
Cash flows (used in) from financing activities:
Proceeds from stock-based compensation plans	3,670	3,338
Purchases of stock related to withholding taxes from the issuance of restricted stock units	(409)	0
Repurchases of common stock	(9,041)	(7,827)
Excess tax benefit from stock plans	63	179
Proceeds from the issuance of debt	0	150,000
Payment of long-term debt	(3,750)	(1,875)
Payment of issuance costs for long-term debt	0	(1,707)
Net cash flows (used in) from financing activities	(9,467)	142,108
Effect of exchange rate changes on cash	(1,223)	(6,753)
Net decrease in cash and cash equivalents	(8,675)	(76,047)
Cash and cash equivalents, beginning of period	212,379	263,082
Cash and cash equivalents, end of period	203,704	187,035
Supplemental disclosure:
Cash paid for income taxes, net of refunds of $442 in 2016 and $503 in 2015	5,587	2,399
Cash paid for interest	765	702
Non-cash financing activities:
Total fair value of restricted stock awards, restricted stock units and deferred stock units on date vested	4,368	1,408
Unsettled repurchases of common stock	$ 2,645	$ 0