Stockholders' Equity - AOCI T2 rows (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax	$ 42	$ 192
Total other comprehensive (loss) income, net of tax	(1,458)	2,141
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss)
Total other comprehensive (loss) income, before tax	(1,868)	2,746
Total other comprehensive income (loss), tax	410	(605)
Total other comprehensive (loss) income, net of tax	(1,458)	2,141
Unrealized Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax	42	192
Other changes, before reclassifications, before tax	(1,923)	2,502
Other changes, before reclassifications, tax (expense) benefit	423	(553)
Total other changes before reclassifications, net of tax	(1,500)	1,949
Unrealized Gain (Loss) on Cash Flow Hedges | Interest Expense [Member]
Accumulated Other Comprehensive Income (Loss)
Reclassifications, before tax	55	244
Reclassifications, tax (expense) benefit	(13)	(52)
Reclassifications, net of tax	$ 42	$ 192