Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 1,244.9	$ 1,059.9	$ 3,624.6	$ 3,229.3
Cost of goods sold	910.7	764.7	2,625.1	2,294.5
Gross profit	334.2	295.2	999.5	934.8
Operating Expenses:
Selling, general and administrative expenses	147.3	134.2	472.2	447.4
Losses (gains) and other expenses, net	3.3	2.1	5.4	4.7
Restructuring charges	(0.2)	(0.3)	(1.2)	(1.6)
Income from equity method investments	(2.4)	(4.1)	(3.9)	(11.6)
Operating income	185.8	162.7	524.6	492.7
Pension settlements	0.0	0.3	0.3	1.1
Interest expense, net	10.5	6.5	26.1	18.8
Other expense (income), net	0.7	1.1	1.9	2.9
Income from continuing operations before income taxes	174.6	154.8	496.3	469.9
Provision for income taxes	32.7	28.5	93.6	89.4
Income from continuing operations	141.9	126.3	402.7	380.5
Discontinued Operations:
Loss from discontinued operations before income taxes	0.0	0.0	0.0	(0.1)
Income tax benefit	0.0	0.0	0.0	0.0
Loss from discontinued operations	0.0	0.0	0.0	(0.1)
Net income	$ 141.9	$ 126.3	$ 402.7	$ 380.4
Earnings per share – Basic:
Income from continuing operations (in dollars per share)	$ 4.00	$ 3.43	$ 11.25	$ 10.17
Loss from discontinued operations (in dollars per share)	0	0	0	0
Net income (in dollars per share)	4.00	3.43	11.25	10.17
Earnings per share – Diluted:
Income from continuing operations (in dollars per share)	3.99	3.41	11.22	10.10
Loss from discontinued operations (in dollars per share)	0	0	0	0
Net income (in dollars per share)	$ 3.99	$ 3.41	$ 11.22	$ 10.10
Weighted average number of shares outstanding, basic (in shares)	35.4	36.8	35.8	37.4
Weighted average number of shares outstanding, diluted (in shares)	35.5	37.0	35.9	37.7