Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Cash flows from operating activities:
Net income	$ 20,454	$ 18,961
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	1,207	1,315
Amortization of acquired intangibles and other	17,486	10,547
Amortization of debt discount and issuance costs on Notes	525	0
Stock-based compensation	8,114	6,784
Non-cash lease expense	2,075	2,138
Loss on disposal of property and equipment	4	3
Deferred income taxes	2,218	656
Allowances for bad debt and sales credits	145	(382)
Changes in operating assets and liabilities:
Accounts receivable	13,192	10,841
Other assets	(1,081)	215
Inventories	418	0
Accounts payable and accrued liabilities	(27,448)	(17,762)
Lease liabilities	(2,146)	(2,258)
Income taxes payable	3	(1,469)
Deferred revenue	8,927	15,099
Net cash flows from operating activities	44,093	44,688
Cash flows from (used in) investing activities:
Sales and maturities of investments	300	1,300
Purchases of property and equipment	(831)	(1,166)
Decrease in escrow receivable and other	0	2,130
Net cash flows (used in) from investing activities	(531)	2,264
Cash flows from (used in) financing activities:
Proceeds from stock-based compensation plans	4,094	3,485
Payments for taxes related to net share settlements of equity awards	(3,139)	(892)
Repurchases of common stock	(25,000)	(15,000)
Dividend payments to stockholders	(7,784)	(7,854)
Proceeds from the issuance of debt	7,474	0
Payment of principal on long-term debt	(1,719)	(18,763)
Payment of debt issuance costs	(1,957)	0
Net cash flows used in financing activities	(28,031)	(39,024)
Effect of exchange rate changes on cash	729	1,780
Net increase in cash and cash equivalents	16,260	9,708
Cash and cash equivalents, beginning of period	155,406	97,990
Cash and cash equivalents, end of period	171,666	107,698
Supplemental disclosure:
Cash paid for income taxes, net of refunds of $307 in 2022 and $434 in 2021	2,389	3,703
Cash paid for interest	1,432	2,283
Non-cash investing and financing activities:
Total fair value of restricted stock awards, restricted stock units and deferred stock units on date vested	7,346	2,088
Dividends declared	$ 8,062	$ 7,901