CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 864.3	$ 855.5	$ 1,735.7	$ 1,688.9
Operating costs and expenses:
Cost of sales	535.7	523.5	1,061.8	1,037.0
Selling, general and administrative	204.2	187.6	402.5	374.2
Restructuring (gains) charges, net	0.0	(0.2)	0.0	(13.3)
Operating profit	124.4	144.6	271.4	291.0
Other income (expense):
Interest income	0.6	0.4	0.9	0.9
Interest expense	(11.4)	(11.4)	(22.5)	(25.0)
Gain on sale of business	228.7	0.0	228.7	0.0
Miscellaneous income, net	14.8	9.7	18.3	13.6
Total other income (expense)	232.7	(1.3)	225.4	(10.5)
Income before income taxes	357.1	143.3	496.8	280.5
Provision for income taxes	98.9	5.0	133.6	33.8
Net income attributable to common shareholders	$ 258.2	$ 138.3	$ 363.2	$ 246.7
Earnings per share:
Earnings per basic share (in dollars per share)	$ 4.60	$ 2.36	$ 6.41	$ 4.22
Earnings per diluted share (in dollars per share)	$ 4.54	$ 2.33	$ 6.32	$ 4.17
Average shares outstanding:
Average basic shares outstanding (in shares)	56.1	58.5	56.7	58.4
Average diluted shares outstanding (in shares)	56.9	59.3	57.5	59.1
Dividends per share (in dollars per share)	$ 0.47	$ 0.43	$ 0.94	$ 0.86