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