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Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Gain on cash flow hedges, tax expense $ 103 $ 114 $ 283 $ 288