Stockholders' Equity - Accumulated Other Comprehensive Income Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 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	$ (196)	$ (2,645)	(5,460)	$ (6,899)
Reclassifications included in net (loss) income	400	6	739	74
Balance at the end of the year	(7,862)		(7,862)
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			(5,460)	(6,899)
Reclassifications included in net (loss) income			739	74
Net activity for other comprehensive income			(4,721)	(6,825)
Balance at the end of the year	$ (7,862)	$ (4,430)	$ (7,862)	$ (4,430)