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)			178,000
Issuance of stock under employee stock purchase plan	5,213		$ 2	5,211
Exercise of stock options (in shares)			60,000
Exercise of stock options	2,236		$ 1	2,235
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	17,471			17,471
Dividends declared	$ (15,742)					(15,742)
Treasury stock repurchases and retirements (in shares)	(1,100,000)		(1,118,000)
Treasury stock repurchases and retirements	$ (51,473)		$ (11)	(16,376)		(35,086)
Net income	49,564					49,564
Other comprehensive income (loss)	356							356
Ending balance (in shares) at May. 31, 2022			43,454,000
Ending balance at May. 31, 2022	372,146		$ 435	309,913		93,885		(32,087)
Beginning balance (in shares) at Feb. 28, 2022			43,766,000
Beginning balance at Feb. 28, 2022	368,323		$ 438	303,240		93,661		(29,016)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under employee stock purchase plan (in shares)			115,000
Issuance of stock under employee stock purchase plan	3,386		$ 1	3,385
Exercise of stock options (in shares)			41,000
Exercise of stock options	1,601		$ 1	1,600
Vesting of restricted stock units and release of deferred stock units (in shares)			98,000
Vesting of restricted stock units and release of deferred stock units	0		$ 1	(1)
Withholding tax payments related to net issuance of RSUs	(2,266)			(2,266)
Stock-based compensation	9,357			9,357
Dividends declared	$ (7,821)					(7,821)
Treasury stock repurchases and retirements (in shares)	(600,000)		(566,000)
Treasury stock repurchases and retirements	$ (26,473)		$ (6)	(5,402)		(21,065)
Net income	29,110					29,110
Other comprehensive income (loss)	(3,071)							(3,071)
Ending balance (in shares) at May. 31, 2022			43,454,000
Ending balance at May. 31, 2022	$ 372,146		$ 435	309,913		93,885		(32,087)
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)			145,000
Issuance of stock under employee stock purchase plan	5,270		$ 2	5,268
Exercise of stock options (in shares)			260,000
Exercise of stock options	10,769		$ 3	10,766
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	20,039			20,039
Dividends declared	$ (15,948)					(15,948)
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	35,764					35,764
Other comprehensive income (loss)	$ 2,518							2,518
Ending balance (in shares) at May. 31, 2023	43,357,557		43,358,000
Ending balance at May. 31, 2023	$ 418,815		$ 436	347,101		103,995		(32,717)
Beginning balance (in shares) at Feb. 28, 2023			43,307,000
Beginning balance at Feb. 28, 2023	413,443		$ 433	338,370		108,286		(33,646)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under employee stock purchase plan (in shares)			95,000
Issuance of stock under employee stock purchase plan	3,483		$ 1	3,482
Exercise of stock options (in shares)			119,000
Exercise of stock options	4,766		$ 2	4,764
Vesting of restricted stock units and release of deferred stock units (in shares)			163,000
Vesting of restricted stock units and release of deferred stock units	0		$ 2	(2)
Withholding tax payments related to net issuance of RSUs (in shares)			(57,000)
Withholding tax payments related to net issuance of RSUs	(3,284)			(3,284)
Stock-based compensation	10,287			10,287
Dividends declared	$ (7,899)					(7,899)
Treasury stock repurchases and retirements (in shares)	(300,000)		(269,000)
Treasury stock repurchases and retirements	$ (15,000)		$ (2)	(6,516)		(8,482)
Net income	12,090					12,090
Other comprehensive income (loss)	$ 929							929
Ending balance (in shares) at May. 31, 2023	43,357,557		43,358,000
Ending balance at May. 31, 2023	$ 418,815		$ 436	$ 347,101		$ 103,995		$ (32,717)