Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 29, 2020	Nov. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 330,282	$ 324,002
Other comprehensive income before reclassifications, net of tax	(3,243)
Ending balance	327,957	330,282
Other comprehensive income (loss), tax	1,200	400
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(29,974)	(28,176)
Ending balance	(33,217)	(29,974)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(28,393)
Other comprehensive income before reclassifications, net of tax	(1,208)
Ending balance	(29,601)	(28,393)
Unrealized (Losses) Gains on Investments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(30)
Other comprehensive income before reclassifications, net of tax	71
Ending balance	41	(30)
Unrealized Losses on Hedging Activity
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(1,551)
Other comprehensive income before reclassifications, net of tax	(2,106)
Ending balance	$ (3,657)	$ (1,551)