Stockholders' Equity - Accumulated Other Comprehensive Income Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2014
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period	$ 94,809	$ 95,879	$ 98,115
Other comprehensive (loss) income before reclassifications	(820)	(1,028)	(510)
Reclassifications included in net income (loss)	856	778	124
Total other comprehensive income (loss), net of tax	36	(250)	(386)
Balance at end of period	90,803	94,809	95,879
Accumulated Other Comprehensive Income (Loss)
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period	(1,085)	(835)	(449)
Other comprehensive (loss) income before reclassifications	(820)	(1,028)	(510)
Reclassifications included in net income (loss)	856	778	124
Total other comprehensive income (loss), net of tax	36	(250)	(386)
Balance at end of period	(1,049)	(1,085)	(835)
Unrealized Gain (Loss) on Cash Flow Hedges
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period	(1,744)	(1,464)	(1,401)
Other comprehensive (loss) income before reclassifications	(174)	(1,058)	(695)
Reclassifications included in net income (loss)	856	778	632
Total other comprehensive income (loss), net of tax	682	(280)	(63)
Balance at end of period	(1,062)	(1,744)	(1,464)
Unrealized Gain (Loss) on Investment in Centaur Media
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period	659	629	648
Other comprehensive (loss) income before reclassifications	(646)	30	185
Reclassifications included in net income (loss)			(204)
Total other comprehensive income (loss), net of tax	(646)	30	(19)
Balance at end of period	$ 13	$ 659	629
Actuarial Gain on Postretirement Benefit Program
Change in accumulated other comprehensive loss, net of tax
Balance at beginning of period			304
Reclassifications included in net income (loss)			(304)
Total other comprehensive income (loss), net of tax			$ (304)