Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income from continuing operations before taxes:
United States operations	$ 86,805	$ 97,900	$ 188,650
Foreign operations	198,951	219,493	38,130
Income from continuing operations before taxes	285,756	317,393	226,780
Currently payable
United States federal	34,091	34,310	1,649
United States state and local	3,900	4,801	2,453
Foreign	18,166	6,677	15,984
Income tax expense (benefit)	56,157	45,788	20,086
Deferred
United States federal	(7,497)	(446)	16,354
United States state and local	(623)	(50)	5,988
Foreign	(4,837)	4,353	(14,489)
Deferred Income tax expense (benefit)	(12,957)	3,857	7,853
Income tax expense	$ 43,200	$ 49,645	$ 27,939