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Acquisitions (Pro Forma Information) (Details) - RBI - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Business Acquisition [Line Items] |  |  |  |
Net sales | $ 304,994 | $ 284,741 | $ 845,538 | $ 764,452
Net income | $ 15,391 | $ 12,173 | $ 33,617 | $ 19,067
Net income per share - Basic (in dollars per share) | $ 0.49 | $ 0.39 | $ 1.08 | $ 0.61
Net income per share -Diluted (in dollars per share) | $ 0.49 | $ 0.39 | $ 1.07 | $ 0.61

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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