Stockholders' Equity - AOCI T2 rows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Accumulated Other Comprehensive Income (Loss)
Reclassifications, before tax	$ 304	$ 33	$ 429	$ 88
Reclassifications, tax (expense) benefit	(60)	(7)	(90)	(20)
Reclassifications, net of tax	244	26	339	68
Other changes, before reclassifications, before tax	(3,186)	(3,530)	(6,587)	(5,453)
Other changes, before reclassifications, tax (expense) benefit	446	776	1,323	1,199
Total other changes before reclassifications, net of tax	(2,740)	(2,754)	(5,264)	(4,254)
Total other comprehensive (loss) income, before tax			(6,158)	(5,365)
Total income tax benefit (expense) included in other comprehensive (loss) income			1,233	1,179
Total other comprehensive loss, net of tax	(2,496)	(2,728)	(4,925)	(4,186)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Total other comprehensive (loss) income, before tax	(2,882)	(3,497)
Total income tax benefit (expense) included in other comprehensive (loss) income	386	769
Total other comprehensive loss, net of tax	$ (2,496)	$ (2,728)	(4,925)	(4,186)
Unrealized Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax			339	68
Total other changes before reclassifications, net of tax			$ (5,264)	$ (4,254)