Income Taxes, Deferred Tax Assets and Liabilities, Operating Loss Carryovers (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets [Abstract]
Benefit plans	$ 10,360	$ 7,665
Liabilities and reserves	16,978	19,291
Operating loss and credit carryovers	68,646	77,756
Other	10,031	13,228
Gross deferred tax assets	106,015	117,940
Valuation allowance	(36,859)	(47,813)
Deferred tax assets	69,156	70,127
Deferred tax liabilities [Abstract]
Property, plant, and equipment	(32,560)	(31,709)
Goodwill	(21,044)	(22,012)
Deferred tax liabilities	(53,604)	(53,721)
Net deferred tax assets	15,552	$ 16,406
Operating Loss Carryforwards [Abstract]
Operating loss carryovers, tax credit	36,800
Undistributed earnings	625,900
Withholding of tax liability	32,900
Foreign [Member]
Operating Loss Carryforwards [Abstract]
Operating loss carryovers	87,200
Operating loss carryovers, subject to expiration	10,100
Operating loss carryovers, not subject to expiration	77,100
State [Member]
Operating Loss Carryforwards [Abstract]
Operating loss carryovers	126,400
Operating loss carryovers, subject to expiration	$ 126,400