Information on Business Segments (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,261,868	$ 1,258,846	$ 1,124,391
Long-lived assets	$ 1,663,400	$ 1,874,600	$ 2,011,800
Sales from international locations to domestic locations	78.00%	78.00%	67.00%
Domestic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 545,200	$ 516,400	$ 483,800
Long-lived assets	360,200	380,700	383,200
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	806,800	829,400	714,000
Long-lived assets	1,303,200	1,493,900	1,628,600
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(90,200)	(87,000)	(73,400)
Long-lived assets	0	0	0
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	204,300	243,100	223,300
Long-lived assets	388,200	428,900	481,500
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	144,900	136,800	129,800
Long-lived assets	196,700	201,600	214,800
Italy [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 300,400	$ 398,200	$ 443,100