Accumulated Other Comprehensive Loss (Details) $ in Thousands	6 Months Ended
	May 31, 2019 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 324,002	[1],[2]
Other comprehensive (loss) income before reclassifications, net of tax	(414)
Ending balance	315,347
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(28,176)	[1]
Ending balance	(28,590)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(27,973)
Other comprehensive (loss) income before reclassifications, net of tax	(551)
Ending balance	(28,524)
Unrealized (Losses) Gains on Investments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(203)
Other comprehensive (loss) income before reclassifications, net of tax	137
Ending balance	$ (66)

[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 the accounting standard related to revenue recognition ("ASC 606") effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Basis of Presentation for further information.