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
Balance, beginning of year (in shares) at Nov. 30, 2020			44,241,000
Balance, beginning of year at Nov. 30, 2020	$ 346,013		$ 442	$ 305,802		$ 72,547		$ (32,778)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under employee stock purchase plan (in shares)			277,000
Issuance of stock under employee stock purchase plan	7,818		$ 3	7,815
Exercise of stock options (in shares)			195,000
Exercise of stock options	6,997		$ 2	6,995
Vesting of restricted stock units and release of deferred stock units (in shares)			342,000
Vesting of restricted stock units and release of deferred stock units	0		$ 3	(3)
Withholding tax payments related to net issuance of restricted stock units (in shares)			(112,000)
Withholding tax payments related to net issuance of restricted stock units	(5,186)		$ (1)	(5,185)
Stock-based compensation	29,724			29,724
Equity component of Notes, net of issuance costs and tax	47,456			47,456
Purchase of capped calls, net of tax	(32,507)			(32,507)
Dividends declared	$ (31,581)					(31,581)
Treasury stock repurchases and retirements (in shares)	(800,000)		(797,000)
Treasury stock repurchases and retirements	$ (35,000)		$ (8)	(5,862)		(29,130)
Net income	78,420					78,420
Other comprehensive (loss) income	335							335
Balance, end of year (in shares) at Nov. 30, 2021			44,146,000
Balance, end of year 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]
Accounting Standards Update [Extensible List]	Accounting Standards Update 2020-06
Issuance of stock under employee stock purchase plan (in shares)			301,000
Issuance of stock under employee stock purchase plan	$ 9,204		$ 3	9,201
Exercise of stock options (in shares)			174,000
Exercise of stock options	6,785		$ 2	6,783
Vesting of restricted stock units and release of deferred stock units (in shares)			448,000
Vesting of restricted stock units and release of deferred stock units	0		$ 5	(5)
Withholding tax payments related to net issuance of restricted stock units (in shares)			(117,000)
Withholding tax payments related to net issuance of restricted stock units	(8,488)		$ (1)	(8,487)
Stock-based compensation	37,094			37,094
Dividends declared	$ (31,253)					(31,253)
Treasury stock repurchases and retirements (in shares)	(1,700,000)		(1,695,000)
Treasury stock repurchases and retirements	$ (77,041)		$ (17)	(19,715)		(57,309)
Net income	95,069					95,069
Other comprehensive (loss) income	$ (2,792)							(2,792)
Balance, end of year (in shares) at Nov. 30, 2022	43,257,008		43,257,000
Balance, end of year 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)			279,000
Issuance of stock under employee stock purchase plan	$ 10,289		$ 2	10,287
Exercise of stock options (in shares)	485,000		485,000
Exercise of stock options	$ 15,275		$ 5	15,270
Vesting of restricted stock units and release of deferred stock units (in shares)			615,000
Vesting of restricted stock units and release of deferred stock units	0		$ 6	(6)
Withholding tax payments related to net issuance of restricted stock units (in shares)			(229,000)
Withholding tax payments related to net issuance of restricted stock units	(12,377)		$ (2)	(12,375)
Stock-based compensation	40,529			40,529
Dividends declared	$ (31,815)					(31,815)
Treasury stock repurchases and retirements (in shares)	(600,000)		(611,000)
Treasury stock repurchases and retirements	$ (33,962)		$ (6)	(14,776)		(19,180)
Net income	70,197					70,197
Other comprehensive (loss) income	$ 3,075							3,075
Balance, end of year (in shares) at Nov. 30, 2023	43,795,955		43,796,000
Balance, end of year at Nov. 30, 2023	$ 459,715		$ 438	$ 370,579		$ 120,858		$ (32,160)