Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	[1]
Statement of Comprehensive Income [Abstract]
Net income	$ 9,402	$ 13,732	[2]
Other comprehensive income, net of tax:
Foreign currency translation adjustments	1,479	3,831
Unrealized gain (loss) on investments, net of tax provision of $30 and $39 for 2019 and 2018, respectively	83	(27)
Total other comprehensive income, net of tax	1,562	3,804
Comprehensive income	$ 10,964	$ 17,536

[1] The Company adopted ASC 606 effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Basis of Presentation for further information.

[2] The Company adopted ASC 606 effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Basis of Presentation for further information. February 28, 2019February 28, 2018Income tax refunds166307