Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
Cash flows from operating activities:
Net income	$ 23,674	$ 20,454
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	1,671	1,207
Amortization of acquired intangibles and other	19,937	17,486
Amortization of debt discount and issuance costs on Notes	534	525
Stock-based compensation	9,752	8,114
Non-cash lease expense	1,959	2,075
Loss on disposal of long-lived assets, net	0	4
Deferred income taxes	(6,324)	2,218
Allowances for bad debt and sales credits	158	145
Changes in operating assets and liabilities:
Accounts receivable	25,839	13,192
Other assets	4,483	(1,081)
Inventories	(604)	418
Accounts payable and accrued liabilities	(17,649)	(27,448)
Lease liabilities	(2,314)	(2,146)
Income taxes payable	170	3
Deferred revenue, net	(14,519)	8,927
Net cash flows from operating activities	46,767	44,093
Cash flows (used in) from investing activities:
Purchases of investments	(15,262)	0
Sales and maturities of investments	400	300
Purchases of property and equipment	(385)	(831)
Payments for acquisitions, net of cash acquired	(355,821)	0
Net cash flows used in investing activities	(371,068)	(531)
Cash flows from (used in) financing activities:
Proceeds from stock-based compensation plans	9,357	4,094
Payments for taxes related to net share settlements of equity awards	(4,817)	(3,139)
Repurchases of common stock	(15,000)	(25,000)
Dividend payments to stockholders	(8,023)	(7,784)
Proceeds from the issuance of debt	195,000	7,474
Payment of principal on long-term debt	(1,719)	(1,719)
Payment of debt issuance costs	0	(1,957)
Net cash flows from (used in) financing activities	174,798	(28,031)
Effect of exchange rate changes on cash	1,207	729
Net (decrease) increase in cash and cash equivalents	(148,296)	16,260
Cash and cash equivalents, beginning of period	256,277	155,406
Cash and cash equivalents, end of period	107,981	171,666
Supplemental disclosure:
Cash paid for income taxes, net of refunds of $264 in 2023 and $307 in 2022	3,801	2,389
Cash paid for interest	4,060	1,432
Non-cash investing and financing activities:
Total fair value of restricted stock awards, restricted stock units and deferred stock units on date vested	11,535	7,346
Dividends declared	$ 8,141	$ 8,062