Stockholders' Equity - AOCI T2 rows (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2020	Feb. 28, 2019
Accumulated Other Comprehensive Income (Loss)
Reclassifications, before tax	$ 125	$ 55
Reclassifications, tax (expense) benefit	(30)	(13)
Reclassifications, net of tax	95	42
Other changes, before reclassifications, before tax	(3,401)	(1,923)
Other changes, before reclassifications, tax (expense) benefit	877	423
Total other changes before reclassifications, net of tax	(2,524)	(1,500)
Total other comprehensive loss, net of tax	(2,429)	(1,458)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Total other comprehensive (loss) income, before tax	(3,276)	(1,868)
Total income tax benefit (expense) included in other comprehensive (loss) income	847	410
Total other comprehensive loss, net of tax	(2,429)	(1,458)
Unrealized Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax	95	42
Total other changes before reclassifications, net of tax	$ (2,524)	$ (1,500)