Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) segment	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment	3
Segment Information
Net sales	$ 199,523	$ 176,491
Income (Loss) from Operations	26,641	16,277
Total Assets	968,961	952,659	$ 961,309
Cash and cash equivalent	232,028	233,587	258,825	$ 260,307
Intersegment elimination
Segment Information
Net sales	5,072	6,027
Administrative and all other
Segment Information
Income (Loss) from Operations	(2,348)	(1,754)
Total Assets	(38)	82,324	20,397
Cash and cash equivalent	153,000	151,200	164,100
North America
Segment Information
Net sales	174,454	150,324
Income (Loss) from Operations	30,452	20,466
Total Assets	771,732	674,914	748,241
North America | Intersegment elimination
Segment Information
Net sales	573	884
Europe
Segment Information
Net sales	23,698	22,788
Income (Loss) from Operations	(1,618)	(1,632)
Total Assets	171,352	165,795	168,305
Europe | Intersegment elimination
Segment Information
Net sales	290	299
Asia/Pacific
Segment Information
Net sales	1,371	3,379
Income (Loss) from Operations	155	(803)
Total Assets	25,915	29,626	$ 24,366
Asia/Pacific | Intersegment elimination
Segment Information
Net sales	$ 4,209	$ 4,844