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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
|
|
| Comprehensive income: | ||||
| Net income | $ 58,247 | $ 48,581 | $ 99,901 | $ 83,491 |
| Derivative instruments: | ||||
| Reclassification of losses to net income, net of tax of $24, $24, $72 and $72, respectively | 43 | 42 | 129 | 128 |
| Other comprehensive income | 43 | 42 | 129 | 128 |
| Comprehensive income | $ 58,290 | $ 48,623 | $ 100,030 | $ 83,619 |