Stockholders' Equity (Details 6) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
May. 31, 2015 | Feb. 28, 2015 | May. 31, 2014 | Feb. 28, 2014 | May. 31, 2015 | May. 31, 2014 |
Change in accumulated other comprehensive loss, net of tax | | | | | | |
Balance at the beginning of the period | | $ (835) | | $ (449) | $ (835) | $ (449) |
Other comprehensive (loss) income before reclassifications | $ 144 | | $ (433) | | (167) | (5) |
Reclassifications included in net (loss) income | 191 | | (144) | | 368 | (191) |
Total other comprehensive income, net of tax | | | | | 201 | (196) |
Balance at the end of the period | (634) | | (645) | | (634) | (645) |
Reclassifications included in net loss: | | | | | | |
Termination of postretirement benefits program | | | (485) | | | (485) |
Loss on cash flow hedges (interest expense) | 303 | | 253 | | 584 | 503 |
Realized gain on sale of Centaur Media (gain on sale) | | | | | | (321) |
Total reclassifications included in net income (loss) | 303 | | (232) | | 584 | (303) |
Mark to market adjustment on Centaur Media for a (decrease) increase in the foreign currency exchange rate | (23) | | 1 | | (49) | 62 |
Mark to market adjustment on Centaur Media for an increase in fair value | 448 | | (327) | | 498 | 441 |
Decrease in fair value adjustments on Griffin's cash flow hedges | (209) | | (349) | | (727) | (526) |
Total other changes in other comprehensive (loss) income | 216 | | (675) | | (278) | (23) |
Total other comprehensive (loss) income | 519 | | (907) | | 306 | (326) |
Reclassifications included in net loss: | | | | | | |
Termination of postretirement benefits program tax | | | 181 | | | 181 |
Loss on cash flow hedges (interest expense) | (112) | | (93) | | (216) | (186) |
Realized gain on sale of Centaur Media (gain on sale) | | | | | | 117 |
Total reclassifications included in net loss | (112) | | 88 | | (216) | 112 |
Mark to market adjustment on Centaur Media for a (decrease) increase in the foreign currency exchange rate | 8 | | (1) | | 17 | (22) |
Mark to market adjustment on Centaur Media for an increase in fair value | (157) | | 115 | | (175) | (154) |
Decrease in fair value adjustments on Griffin's cash flow hedges | 77 | | 128 | | 269 | 194 |
Total change in other comprehensive (loss) income | (72) | | 242 | | 111 | 18 |
Total other comprehensive (loss) income | (184) | | 330 | | (105) | 130 |
Reclassifications included in net loss: | | | | | | |
Termination of postretirement benefits program net of tax | | | (304) | | | (304) |
Loss on cash flow hedges (interest expense) | 191 | | 160 | | 368 | 317 |
Realized gain on sale of Centaur Media (gain on sale) | | | | | | (204) |
Total reclassifications included in net loss | 191 | | (144) | | 368 | (191) |
Mark to market adjustment on Centaur Media for a (decrease) increase in the foreign currency exchange rate | (15) | | | | (32) | 40 |
Mark to market adjustment on Centaur Media for an increase in fair value | 291 | | (212) | | 323 | 287 |
Decrease in fair value adjustments on Griffin's cash flow hedges | (132) | | (221) | | (458) | (332) |
Total change in other comprehensive (loss) income | 144 | | (433) | | (167) | (5) |
Total other comprehensive income (loss), net of tax | 335 | | (577) | | 201 | (196) |
Cash Dividend | | | | | | |
Cash dividend paid | | 1,030 | | 1,029 | 1,030 | 1,029 |
General and Administrative Expense | | | | | | |
Reclassifications included in net loss: | | | | | | |
Termination of postretirement benefits program, net of tax | | | 21 | | | 21 |
Discontinued operations | | | | | | |
Reclassifications included in net loss: | | | | | | |
Termination of postretirement benefits program, net of tax | | | 283 | | | 283 |
Unrealized loss on cash flow hedges | | | | | | |
Change in accumulated other comprehensive loss, net of tax | | | | | | |
Balance at the beginning of the period | | (1,464) | | (1,401) | (1,464) | (1,401) |
Other comprehensive (loss) income before reclassifications | | | | | (458) | (332) |
Reclassifications included in net (loss) income | | | | | 368 | 317 |
Total other comprehensive income, net of tax | | | | | (90) | (15) |
Balance at the end of the period | (1,554) | | (1,416) | | (1,554) | (1,416) |
Reclassifications included in net loss: | | | | | | |
Total reclassifications included in net loss | | | | | 368 | 317 |
Total change in other comprehensive (loss) income | | | | | (458) | (332) |
Unrealized gain on investment in Centaur Media | | | | | | |
Change in accumulated other comprehensive loss, net of tax | | | | | | |
Balance at the beginning of the period | | $ 629 | | 648 | 629 | 648 |
Other comprehensive (loss) income before reclassifications | | | | | 291 | 327 |
Reclassifications included in net (loss) income | | | | | | (204) |
Total other comprehensive income, net of tax | | | | | 291 | 123 |
Balance at the end of the period | $ 920 | | $ 771 | | 920 | 771 |
Reclassifications included in net loss: | | | | | | |
Total reclassifications included in net loss | | | | | | (204) |
Total change in other comprehensive (loss) income | | | | | $ 291 | 327 |
Actuarial gain on postretirement benefit program | | | | | | |
Change in accumulated other comprehensive loss, net of tax | | | | | | |
Balance at the beginning of the period | | | | $ 304 | | 304 |
Reclassifications included in net (loss) income | | | | | | (304) |
Total other comprehensive income, net of tax | | | | | | (304) |
Reclassifications included in net loss: | | | | | | |
Total reclassifications included in net loss | | | | | | $ (304) |