Condensed Consolidated Statements of Comprehensive Income (Loss) - 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] | ||||
| Net income | $ 5,769 | $ 12,799 | $ 4,798 | $ 23,899 |
| Other comprehensive (loss) income, net of tax: | ||||
| Foreign currency translation adjustments | (2,672) | 989 | (8,154) | 1,138 |
| Unrealized (losses) gains on investments, net of tax of $0 for the second quarter and first six months of 2015, and $28 and $159 for the second quarter and first six months of 2014, respectively | (33) | (118) | (35) | 107 |
| Total other comprehensive (loss) income, net of tax | (2,705) | 871 | (8,189) | 1,245 |
| Comprehensive income (loss) | $ 3,064 | $ 13,670 | $ (3,391) | $ 25,144 |