Stockholders' Equity - Accumulated Other Comprehensive Income Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period			$ 94,809	$ 95,879
Other comprehensive (loss) income before reclassifications	$ (57)	$ 144	(1,454)	(167)
Reclassifications included in net loss	214	191	427	368
Total other comprehensive income (loss), net of tax	157	335	(1,027)	201
Balance at end of period	91,231	95,380	91,231	95,380
Accumulated Other Comprehensive Loss
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period			(1,085)	(835)
Other comprehensive (loss) income before reclassifications			(1,454)	(167)
Reclassifications included in net loss			427	368
Total other comprehensive income (loss), net of tax	157	335	(1,027)	201
Balance at end of period	(2,112)	(634)	(2,112)	(634)
Unrealized loss on cash flow hedges
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period			(1,744)	(1,464)
Other comprehensive (loss) income before reclassifications	26	(132)	(1,115)	(458)
Reclassifications included in net loss			427	368
Total other comprehensive income (loss), net of tax			(688)	(90)
Balance at end of period	(2,432)	(1,554)	(2,432)	(1,554)
Accumulated Net Unrealized Gain From Change In Fair Value And Foreign Currency [Member]
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period			659	629
Other comprehensive (loss) income before reclassifications			(339)	291
Total other comprehensive income (loss), net of tax			(339)	291
Balance at end of period	$ 320	$ 920	$ 320	$ 920