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Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Net income $ 43,391,000 $ 34,537,000 $ 135,267,000 $ 97,580,000
Other comprehensive income, net of tax:        
Gain on cash flow hedges, net of tax expense of $103, $114, $283, and $288 respectively 161,000 184,000 465,000 463,000
Comprehensive income $ 43,552,000 $ 34,721,000 $ 135,732,000 $ 98,043,000