Segment Reporting (Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 182,966	$ 218,297
Long-term Assets:
Total long-term assets	251,231		$ 270,943
North America [Member]
Segment Reporting Information [Line Items]
Net sales	99,851	119,367
Long-term Assets:
Total long-term assets	87,375		87,430
South America [Member]
Segment Reporting Information [Line Items]
Net sales	14,570	17,332
Long-term Assets:
Total long-term assets	37,446		52,518
Europe and Other [Member]
Segment Reporting Information [Line Items]
Net sales	68,545	$ 81,598
Long-term Assets:
Total long-term assets	$ 126,410		$ 130,995