Stockholders' Equity - Accumulated Other Comprehensive Income Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Change in accumulated other comprehensive loss, net of tax
Balance at the beginning of the year			$ (3,141)
Other comprehensive (loss) income before reclassifications	$ (2,740)	$ (2,754)	(5,264)	$ (4,254)
Reclassifications included in net loss	244	26	339	68
Balance at the end of the year	(8,066)		(8,066)
Unrealized Gain (Loss) on Cash Flow Hedges
Change in accumulated other comprehensive loss, net of tax
Balance at the beginning of the year			(3,141)	2,395
Other comprehensive (loss) income before reclassifications			(5,264)	(4,254)
Reclassifications included in net loss			339	68
Net activity for other comprehensive income			(4,925)	(4,186)
Balance at the end of the year	$ (8,066)	$ (1,791)	$ (8,066)	$ (1,791)