Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Net of Reserves	$ 122,703	$ 126,499
Inventory, Work in Process, Net of Reserves	39,713	33,053
Inventory, Finished Goods, Net of Reserves	137,670	155,376
Total	$ 300,086	$ 314,928	[1]

[1] December 31, 2020 balances were derived from audited consolidated financial statements.