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Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) segment	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Segment Information
Number of reportable segments | segment	3
Net sales	$ 347,642	$ 283,668
Income (Loss) from Operations	68,383	49,350
Total Assets	1,294,727	1,198,248	$ 1,232,569
Cash and cash equivalent	257,428	301,741	274,639
Intersegment elimination
Segment Information
Net sales	10,832	6,707
Administrative and all other
Segment Information
Income (Loss) from Operations	(3,743)	(1,937)
Total Assets	(61,354)	(146,922)	(58,799)
Cash and cash equivalent	183,200	248,700	199,800
North America
Segment Information
Net sales	300,564	249,050
Income (Loss) from Operations	69,410	53,561
Total Assets	1,125,887	1,153,775	1,059,967
North America | Intersegment elimination
Segment Information
Net sales	696	640
Europe
Segment Information
Net sales	44,296	32,732
Income (Loss) from Operations	2,291	(1,670)
Total Assets	198,363	163,476	198,647
Europe | Intersegment elimination
Segment Information
Net sales	1,609	1,254
Asia/Pacific
Segment Information
Net sales	2,782	1,886
Income (Loss) from Operations	425	(604)
Total Assets	31,831	27,919	$ 32,754
Asia/Pacific | Intersegment elimination
Segment Information
Net sales	$ 8,527	$ 4,813

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