Fair Value (Details) - USD ($) $ in Thousands |
May 31, 2016 |
Nov. 30, 2015 |
|---|---|---|
| Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis: | ||
| Marketable equity securities | $ 1,449 | $ 1,970 |
| Interest rate swap liabilities | 4,046 | 3,981 |
| Recurring basis | Level 1 | ||
| Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis: | ||
| Marketable equity securities | 1,449 | |
| Interest rate swap liabilities | 1,970 | |
| Recurring basis | Level 2 | ||
| Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis: | ||
| Interest rate swap liabilities | $ 3,858 | $ 2,766 |