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Consolidated Statements of Comprehensive Income (Unaudited) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Statement of Income and Comprehensive Income [Abstract] | ||||
| Net income | $ 21,375 | $ 24,169 | $ 89,969 | $ 82,108 |
| Other comprehensive income (loss): | ||||
| Foreign currency translation adjustments | (135) | (1,233) | (466) | 608 |
| Change in unrealized gains and losses on interest rate swaps, net of tax | (635) | 502 | (1,970) | 1,363 |
| Total other comprehensive income (loss) | (770) | (731) | (2,436) | 1,971 |
| Comprehensive income | $ 20,605 | $ 23,438 | $ 87,533 | $ 84,079 |