Consolidated Statements of Income - USD ($) shares in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net Sales (Note 1)	[1]	$ 2,180,274,000	$ 2,325,768,000	$ 2,773,270,000
Cost of Sales		1,908,060,000	2,048,170,000	2,346,201,000
Gross Profit		272,214,000	277,598,000	427,069,000
Operating Expenses:
Selling (Note 1)		45,628,000	48,367,000	59,030,000
Administrative (Note 1)		98,277,000	93,202,000	102,177,000
Research, development and technical services (Note 1)		55,674,000	59,039,000	66,633,000
Deferred compensation (income) expense (Note 12)		2,155,000	4,371,000	(9,393,000)
Total Operating expenses		201,734,000	204,979,000	218,447,000
Goodwill and other intangibles impairment (Note 4)			2,038,000	978,000
Business restructuring and assets impairment (Note 22)			11,968,000	308,000
Operating Income		70,480,000	58,613,000	207,336,000
Other Income (Expense):
Interest, net (Note 6)		(14,182,000)	(12,103,000)	(9,809,000)
Other, net (Note 8)		4,141,000	1,881,000	(8,824,000)
Nonoperating Income (Expense), Total		(10,041,000)	(10,222,000)	(18,633,000)
Income Before Provision for Income Taxes		60,439,000	48,391,000	188,703,000
Provision for Income Taxes (Note 9)		10,069,000	8,187,000	41,550,000
Net Income		$ 50,370,000	$ 40,204,000	$ 147,153,000
Net Income Per Common Share (Note 18):
Basic		$ 2.21	$ 1.77	$ 6.46
Diluted		$ 2.2	$ 1.75	$ 6.38
Shares Used to Compute Net Income Per Common Share (Note 18):
Basic		22,832	22,777	22,781
Diluted		22,931	22,946	23,064

[1] Net sales are attributed to countries based on the location of the Company legal entity making the sale.