Accumulated Other Comprehensive Loss (Details) $ in Thousands	3 Months Ended
	Feb. 28, 2019 USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 324,002	[1],[2]
Other comprehensive income before reclassifications, net of tax	1,562
Ending balance	306,702
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(28,176)	[2]
Ending balance	(26,614)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(27,973)
Other comprehensive income before reclassifications, net of tax	1,479
Ending balance	(26,494)
Unrealized (Losses) Gains on Investments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(203)
Other comprehensive income before reclassifications, net of tax	83
Ending balance	$ (120)

[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.