Stockholders' Equity - AOCI T2 rows (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2019	Aug. 31, 2018
Accumulated Other Comprehensive Income (Loss)
Reclassifications, before tax	$ 8	$ 126		$ 557
Reclassifications, tax (expense) benefit	(2)	(29)		(122)
Reclassifications, net of tax	6	97	$ 74	435
Other changes, before reclassifications, before tax	(3,443)	168		2,679
Other changes, before reclassifications, tax (expense) benefit	798	(36)		(591)
Total other changes before reclassifications, net of tax	(2,645)	132	(6,899)	2,088
Total other comprehensive (loss) income, before tax				3,236
Total other comprehensive income (loss), tax				(713)
Total other comprehensive (loss) income, net of tax	(2,639)	229	(6,825)	2,523
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Total other comprehensive (loss) income, before tax	(3,435)	294
Total other comprehensive income (loss), tax	796	(65)
Total other comprehensive (loss) income, net of tax	$ (2,639)	$ 229	(6,825)	2,523
Unrealized Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Reclassifications, before tax			96
Reclassifications, tax (expense) benefit			(22)
Reclassifications, net of tax			74	435
Other changes, before reclassifications, before tax			(8,896)
Other changes, before reclassifications, tax (expense) benefit			1,997
Total other changes before reclassifications, net of tax			(6,899)	$ 2,088
Total other comprehensive (loss) income, before tax			(8,800)
Total other comprehensive income (loss), tax			$ 1,975