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Acquisitions (Pro Forma Income Statements) (Table) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Business Acquisition [Line Items] |  |  |  |
Dilutive earnings per share | $ 0.52 | $ 0.67 | $ 0.93 | $ 1.02
Pro Forma [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net sales | $ 171,419 | $ 214,728 | $ 325,399 | $ 374,845
Business acquisitions pro forma gross profit | 37,089 | 45,623 | 72,214 | 85,149
Net income | $ 5,362 | $ 10,600 | $ 9,693 | $ 18,134
Dilutive earnings per share | $ 0.52 | $ 1.03 | $ 0.93 | $ 1.76

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