Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Cash flows from operating activities:
Net income	$ 95,069	$ 78,420	$ 79,722
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	5,002	5,477	6,144
Amortization of acquired intangibles and other	69,730	47,507	28,621
Amortization of debt discount and issuance costs on Notes	2,112	8,195	0
Stock-based compensation	37,094	29,724	23,482
Non-cash lease expense	7,781	10,946	8,609
Loss on disposal of long-lived assets, net	0	7	1,025
Gain on sale of assets held for sale	(10,770)	0	0
Deferred income taxes	(7,602)	(908)	(2,622)
Allowances for bad debt and sales credits	774	(282)	164
Gain on sale of intangible assets	0	0	(889)
Changes in operating assets and liabilities:
Accounts receivable and unbilled receivables	(27,254)	(10,998)	10,682
Other assets	(2,214)	(15,105)	1,561
Inventories	(1,556)	245	0
Accounts payable and accrued liabilities	(3,583)	5,486	(4,974)
Lease liabilities	(8,571)	(8,406)	(8,101)
Income taxes payable	(120)	(2,251)	3
Deferred revenue, net	36,268	30,473	1,420
Net cash flows from operating activities	192,160	178,530	144,847
Cash flows from (used in) investing activities:
Purchases of investments	0	0	(5,009)
Sales and maturities of investments	1,950	5,950	16,401
Purchases of property and equipment	(6,090)	(4,654)	(6,517)
Payments for acquisitions, net of cash acquired	0	(253,961)	(213,057)
Proceeds from sale of long-lived assets, net	25,998	0	889
Decrease in escrow receivable and other	134	2,330	0
Net cash flows from (used in) investing activities	21,992	(250,335)	(207,293)
Cash flows (used in) from financing activities:
Proceeds from stock-based compensation plans	16,165	15,033	11,099
Payments for taxes related to net share settlements of equity awards	(7,824)	(5,186)	(5,331)
Repurchases of common stock	(77,041)	(35,000)	(60,000)
Proceeds from issuance of senior convertible notes, net of issuance costs of $9.9 million	0	350,100	0
Purchase of capped calls	0	(43,056)	0
Dividend payments to stockholders	(31,063)	(31,561)	(29,900)
Proceeds from the issuance of debt	7,475	0	98,500
Payment of principal on long-term debt	(6,873)	(117,313)	(11,288)
Payment of issuance costs for long-term debt	(2,262)	(904)	0
Net cash flows (used in) from financing activities	(101,423)	132,113	3,080
Effect of exchange rate changes on cash	(11,858)	(2,892)	3,097
Net increase in cash and cash equivalents	100,871	57,416	(56,269)
Cash and cash equivalents, beginning of year	155,406	97,990	154,259
Cash and cash equivalents, end of year	256,277	155,406	97,990
Supplemental disclosure:
Cash paid for income taxes, net of refunds of $968 in 2022, $894 in 2021 and $724 in 2020	28,680	25,915	16,107
Cash paid for interest	8,572	8,537	9,175
Non-cash investing and financing activities:
Total fair value of restricted stock awards, restricted stock units and deferred stock units on date vested	27,626	18,102	17,046
Dividends declared	$ 8,115	$ 7,925	$ 7,904