Stockholders' Equity - AOCI T2 rows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2018	May 31, 2017	May 31, 2018	May 31, 2017
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax	$ 146	$ 218	$ 338	$ 427
Other changes, before reclassifications, before tax	9	(1,197)	2,511	(670)
Other changes, before reclassifications, tax (expense) benefit	(2)	433	(555)	237
Total other changes before reclassifications, net of tax	7	(764)	1,956	(433)
Total other comprehensive (loss) income, before tax			2,942	11
Total other comprehensive income (loss), tax			(648)	(17)
Total other comprehensive income (loss), net of tax	153	(546)	2,294	(6)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax			338	427
Total other changes before reclassifications, net of tax			1,956	(433)
Total other comprehensive (loss) income, before tax	196	(855)
Total other comprehensive income (loss), tax	(43)	309
Total other comprehensive income (loss), net of tax	153	(546)	2,294	(6)
Unrealized Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax			338	427
Other changes, before reclassifications, before tax	9	(1,297)	2,511	(965)
Other changes, before reclassifications, tax (expense) benefit	(2)	468	(555)	340
Total other changes before reclassifications, net of tax	7	(829)	1,956	(625)
Unrealized Gain (Loss) on Cash Flow Hedges | Interest Expense [Member]
Accumulated Other Comprehensive Income (Loss)
Reclassifications, before tax	187	342	431	681
Reclassifications, tax (expense) benefit	41	124	(93)	(254)
Reclassifications, net of tax	$ 146	218	$ 338	427
Mark-to-market foreign currency adjustment
Accumulated Other Comprehensive Income (Loss)
Other changes, before reclassifications, before tax		48		36
Other changes, before reclassifications, tax (expense) benefit		(16)		(12)
Total other changes before reclassifications, net of tax		32		24
Mark-to-market fair value adjustment
Accumulated Other Comprehensive Income (Loss)
Other changes, before reclassifications, before tax		52		259
Other changes, before reclassifications, tax (expense) benefit		(19)		(91)
Total other changes before reclassifications, net of tax		$ 33		$ 168