Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	May. 31, 2015	May. 31, 2014
Cash flows from operating activities:
Net income	$ 4,798	$ 23,899
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	4,999	4,887
Amortization of intangibles and other	16,496	2,160
Stock-based compensation	12,275	11,254
Loss on disposal of property	14	33
Asset impairment	3,947	0
Deferred income taxes	(28,966)	294
Excess tax benefit from stock plans	(710)	(160)
Allowances for accounts receivable	307	208
Changes in operating assets and liabilities:
Accounts receivable	15,226	8,914
Other assets	2,114	6,815
Accounts payable and accrued liabilities	(3,702)	(19,061)
Income taxes payable	1,340	410
Deferred revenue	29,793	2,887
Net cash flows from operating activities	57,931	42,540
Cash flows used in investing activities:
Purchases of investments	(19,266)	(1,900)
Sales and maturities of investments	5,941	9,435
Purchases of property and equipment	(4,405)	(6,099)
Capitalized software development costs	(1,383)	(1,938)
Payments for acquisitions, net of cash acquired	(246,275)	(12,493)
Proceeds from divestitures, net	4,500	3,300
Decrease in other noncurrent assets	0	104
Net cash flows used in investing activities	(260,888)	(9,591)
Cash flows from (used in) financing activities:
Proceeds from stock-based compensation plans	6,356	6,904
Purchases of common stock related to withholding taxes from the issuance of restricted stock units	(2,851)	(3,141)
Repurchases of common stock	(32,868)	(34,999)
Excess tax benefit from stock plans	710	160
Payment of contingent consideration	0	(210)
Proceeds from the issuance of debt	150,000	0
Payment of long-term debt	(3,750)	0
Payment of issuance costs for long-term debt	(1,707)	0
Net cash flows from (used in) financing activities	115,890	(31,286)
Effect of exchange rate changes on cash	(9,995)	1,490
Net (decrease) increase in cash and cash equivalents	(97,062)	3,153
Cash and cash equivalents, beginning of period	263,082	198,818
Cash and cash equivalents, end of period	166,020	201,971
Supplemental disclosure:
Cash paid for income taxes, net of refunds of $1,335 in 2015 and $153 in 2014	3,850	3,831
Cash paid for interest	1,427	0
Non-cash financing activities:
Total fair value of restricted stock awards, restricted stock units and deferred stock units on date vested	$ 9,942	$ 10,494