Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | |
| Net income | $ 9,261 | $ 8,975 | $ 26,827 | $ 20,943 |
| Other comprehensive income (loss), net of tax of $(283) and $(120) for the three months ended September 30, 2011 and 2010, respectively and $(154) and $836 for the nine months ended September 30, 2011 and 2010, respectively: | ||||
| Foreign currency translation adjustment | (3,865) | 5,236 | 1,211 | (778) |
| Comprehensive income | $ 5,396 | $ 14,211 | $ 28,038 | $ 20,165 |