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Consolidated Statements of Comprehensive Income (Parentheticals) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Taxes on hedging losses reclassified to earnings $ 7 $ 70 $ 41 $ 108
Taxes on adjustment in fair value of derivatives $ 172 $ (14) $ 175 $ (152)