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Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Consolidated Statement of Comprehensive Income |  |  |  |
Net income | $ 69,507 | $ 44,216 | $ 190,869 | $ 145,150

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