Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
May. 31, 2015 |
May. 31, 2014 |
|
| Supplemental Cash Flow Information | ||
| Cash paid for income taxes | $ 1,098 | $ 558 |
| Cash paid for interest | $ 6,183 | 3,349 |
| Capital lease obligation | $ 5,225 | |