Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2022		Jun. 30, 2021	Jun. 30, 2022		Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 1,543,781		$ 1,348,661	$ 2,985,667		$ 2,586,771
Cost of goods sold	1,269,855		1,113,777	2,478,288		2,130,421
Gross profit	273,926		234,884	507,379		456,350
Selling, general and administrative expenses	123,830		94,394	223,841		191,773
Rationalization charges	3,428		354	4,807		10,711
Other pension and postretirement income	(11,349)		(12,818)	(22,678)		(25,637)
Income before interest and income taxes	158,017	[1]	152,954	301,409	[1]	279,503
Interest and other debt expense before loss on early extinguishment of debt	28,660		26,406	58,009		52,829
Loss on early extinguishment of debt	0		0	1,481		883
Interest and other debt expense	28,660		26,406	59,490		53,712
Income before income taxes	129,357		126,548	241,919		225,791
Provision for income taxes	36,682		32,072	64,369		58,034
Net income	$ 92,675		$ 94,476	$ 177,550		$ 167,757
Earnings per share
Basic net income per share (usd per share)	$ 0.84		$ 0.86	$ 1.60		$ 1.52
Diluted net income per share (usd per share)	$ 0.83		$ 0.85	$ 1.59		$ 1.51
Weighted average number of shares
Basic (in shares)	110,840		110,442	110,750		110,323
Effect of dilutive securities (in shares)	388		661	590		743
Diluted (in shares)	111,228		111,103	111,340		111,066

[1] Corporate includes a charge of $25.2 million for the settlement with the European Commission for each of the three and six months ended June 30, 2022.