Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 1,317,038	$ 1,418,281
Cost of goods sold	1,093,559	1,180,316
Gross profit	223,479	237,965
Selling, general and administrative expenses	100,476	101,330
Rationalization charges	11,691	4,121
Other pension and postretirement (income) expense	(407)	1,286
Income before interest and income taxes	111,719	131,228
Less interest and other debt expense	38,647	36,766
Income before income taxes	73,072	94,462
Provision for income taxes	17,908	22,433
Net income	$ 55,164	$ 72,029
Earnings per share
Basic net income per share (usd per share)	$ 0.52	$ 0.65
Diluted net income per share (usd per share)	$ 0.52	$ 0.65
Weighted average number of shares
Basic (in shares)	106,646	110,219
Effect of dilutive securities (in shares)	405	630
Diluted (in shares)	107,051	110,849