Condensed Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Nov. 30, 2021			44,146,000
Beginning balance at Nov. 30, 2021	$ 412,489	$ (42,563)	$ 441	$ 354,235	$ (47,456)	$ 90,256	$ 4,893	$ (32,443)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under employee stock purchase plan (in shares)			246,000
Issuance of stock under employee stock purchase plan	7,237		$ 2	7,235
Exercise of stock options (in shares)			78,000
Exercise of stock options	2,879		$ 1	2,878
Vesting of restricted stock units and release of deferred stock units (in shares)			188,000
Vesting of restricted stock units and release of deferred stock units	0		$ 2	(2)
Withholding tax payments related to net issuance of RSUs	(5,405)			(5,405)
Stock-based compensation	26,110			26,110
Dividends declared	$ (23,525)					(23,525)
Treasury stock repurchases and retirements (in shares)	(1,700,000)		(1,660,000)
Treasury stock repurchases and retirements	$ (75,524)		$ (16)	(19,036)		(56,472)
Net income	71,361					71,361
Other comprehensive income (loss)	(6,086)							(6,086)
Ending balance (in shares) at Aug. 31, 2022			42,998,000
Ending balance at Aug. 31, 2022	366,973		$ 430	318,559		86,513		(38,529)
Beginning balance (in shares) at May. 31, 2022			43,454,000
Beginning balance at May. 31, 2022	372,146		$ 435	309,913		93,885		(32,087)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under employee stock purchase plan (in shares)			68,000
Issuance of stock under employee stock purchase plan	2,024			2,024
Exercise of stock options (in shares)			18,000
Exercise of stock options	643			643
Stock-based compensation	8,639			8,639
Dividends declared	$ (7,783)					(7,783)
Treasury stock repurchases and retirements (in shares)	(500,000)		(542,000)
Treasury stock repurchases and retirements	$ (24,051)		$ (5)	(2,660)		(21,386)
Net income	21,797					21,797
Other comprehensive income (loss)	(6,442)							(6,442)
Ending balance (in shares) at Aug. 31, 2022			42,998,000
Ending balance at Aug. 31, 2022	$ 366,973		$ 430	318,559		86,513		(38,529)
Beginning balance (in shares) at Nov. 30, 2022	43,257,008		43,257,000
Beginning balance at Nov. 30, 2022	$ 398,504		$ 433	331,650		101,656		(35,235)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under employee stock purchase plan (in shares)			212,000
Issuance of stock under employee stock purchase plan	7,769		$ 3	7,766
Exercise of stock options (in shares)			400,000
Exercise of stock options	12,161		$ 4	12,157
Vesting of restricted stock units and release of deferred stock units (in shares)			378,000
Vesting of restricted stock units and release of deferred stock units	0		$ 4	(4)
Withholding tax payments related to net issuance of RSUs (in shares)			(147,000)
Withholding tax payments related to net issuance of RSUs	(8,101)		$ (1)	(8,100)
Stock-based compensation	30,111			30,111
Dividends declared	$ (23,908)					(23,908)
Treasury stock repurchases and retirements (in shares)	(500,000)		(535,000)
Treasury stock repurchases and retirements	$ (30,000)		$ (5)	(12,518)		(17,477)
Net income	54,862					54,862
Other comprehensive income (loss)	$ 3,648							3,648
Ending balance (in shares) at Aug. 31, 2023	43,565,346		43,565,000
Ending balance at Aug. 31, 2023	$ 445,046		$ 438	361,062		115,133		(31,587)
Beginning balance (in shares) at May. 31, 2023			43,358,000
Beginning balance at May. 31, 2023	418,815		$ 436	347,101		103,995		(32,717)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under employee stock purchase plan (in shares)			67,000
Issuance of stock under employee stock purchase plan	2,499		$ 1	2,498
Exercise of stock options (in shares)			140,000
Exercise of stock options	1,392		$ 1	1,391
Stock-based compensation	10,072			10,072
Dividends declared	$ (7,960)					(7,960)
Treasury stock repurchases and retirements (in shares)	0
Net income	$ 19,098					19,098
Other comprehensive income (loss)	$ 1,130							1,130
Ending balance (in shares) at Aug. 31, 2023	43,565,346		43,565,000
Ending balance at Aug. 31, 2023	$ 445,046		$ 438	$ 361,062		$ 115,133		$ (31,587)