Segment Information Revenues and Operating Net Assets by Geographical Areas (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 893,550	$ 883,830	$ 857,110
Long-lived Assets	874,780	805,670	777,850
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	153,120	139,780	160,650
Long-lived Assets	238,640	192,600	209,380
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	34,240	35,260	41,310
Long-lived Assets	27,000	29,720	37,080
Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	24,950	18,040	15,290
Long-lived Assets	45,120	41,840	42,000
Non-US [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	212,310	193,080	217,250
Long-lived Assets	310,760	264,160	288,460
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	681,240	690,750	639,860
Long-lived Assets	$ 564,020	$ 541,510	$ 489,390