Stockholders' Equity - Changes In Accumulated Other Comprehensive Income (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Reclassifications included in net loss:
Realized gain on sale of Centaur Media (gain on sale)		$ (321)	$ (1,099)
Termination of postretirement benefits program		(485)
Loss on cash flow hedges (interest expense)	$ 1,234	1,003	810
Total reclassifications included in net income (loss)	1,234	197	(289)
Mark to market adjustment on Centaur Media for an increase (decrease) in fair value	123	358	481
Mark to market adjustment on Centaur Media for a (decrease) increase in the foreign currency exchange rate	(77)	(73)	(1)
Decrease in fair value adjustments on Griffin's cash flow hedges	(1,678)	(1,103)	159
Actuarial gain (loss) on postretirement benefits program			108
Total change in other comprehensive (loss) income	(1,632)	(818)	747
Total other comprehensive (loss) income	(398)	(621)	458
Reclassifications included in net loss:
Realized gain on sale of Centaur Media (gain on sale)		117	383
Termination of postretirement benefits program tax		181
Loss on cash flow hedges (interest expense)	(456)	(371)	(300)
Total reclassifications included in net loss	(456)	(73)	83
Mark to market adjustment on Centaur Media for an increase in fair value	(43)	(125)	(169)
Mark to market adjustment on Centaur Media for a (decrease) increase in the foreign currency exchange rate	27	25	(1)
Decrease in fair value adjustments on Griffin's cash flow hedges	620	408	(59)
Actuarial gain (loss) on postretirement benefits program			(40)
Total change in other comprehensive (loss) income	604	308	(269)
Total other comprehensive (loss) income	148	235	(186)
Reclassifications included in net loss:
Realized gain on sale of Centaur Media (gain on sale)		(204)	(716)
Termination of postretirement benefits program net of tax		(304)
Loss on cash flow hedges (interest expense)	778	632	510
Total reclassifications included in net loss	778	124	(206)
Mark to market adjustment on Centaur Media for an increase in fair value	80	233	312
Mark to market adjustment on Centaur Media for decrease in exchange gain	(50)	(48)	(2)
(Decrease) increase in fair value adjustment on Griffin's cash flow hedges	(1,058)	(695)	100
Actuarial gain (loss) on postretirement benefits program			68
Total change in other comprehensive (loss) income	(1,028)	(510)	478
Total other comprehensive (loss) income, net of tax	$ (250)	$ (386)	$ 272
Cash Dividend
Cash dividends declared (in dollars per share)	$ 0.30	$ 0.20	$ 0.20
General and Administrative Expense
Reclassifications included in net loss:
Termination of postretirement benefits program		$ 21
Discontinued operations.
Reclassifications included in net loss:
Termination of postretirement benefits program		$ (283)