Acquisitions - Summary of Unaudited Consolidated Results of Operations, Including Proforma Results (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
As Reported
Net Sales	$ 171,069	$ 138,077
Net income	$ 14,803	$ 4,351
Basic (in dollars per share)	$ 0.33	$ 0.10
Diluted (in dollars per share)	$ 0.32	$ 0.10
Pro Forma
Net Sales, Pro Forma	$ 173,829	$ 156,390
Net Income, Pro Forma	$ 1,725	$ 12,281
Basic, Pro Forma (in dollars per share)	$ 0.04	$ 0.28
Diluted, Pro Forma (in dollars per share)	$ 0.04	$ 0.28

Per basic share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

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Per diluted share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

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