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Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Gain on cash flow hedges, tax expense $ 72 $ 94 $ 175 $ 181