CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (PARENTHETICAL) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
May. 31, 2015 |
May. 31, 2014 |
May. 31, 2015 |
May. 31, 2014 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Tax on unrealized gains on available-for-sale securities | $ 79 | $ 0 | $ 202 | $ 0 |
| Tax on change in unrealized gain of defined benefit plan | 0 | 60 | 0 | 60 |
| Tax on unrealized losses on cash flow hedges | (733) | 0 | (733) | 0 |
| Tax on foreign currency translation adjustments | $ (38) | $ 287 | $ (1,132) | $ (235) |