Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 18,961	$ 21,116
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	1,225	(1,208)
Unrealized gain (loss) on hedging activity, net of tax provision of $271 and tax benefit of $708 for the first quarter of 2021 and 2020, respectively	837	(2,106)
Unrealized gain on investments, net of tax benefit of $42 and tax provision of $4 for the first quarter of 2021 and 2020, respectively	14	71
Total other comprehensive income (loss), net of tax	2,076	(3,243)
Comprehensive income	$ 21,037	$ 17,873