CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Net sales	$ 833.5	$ 797.9
Net sales
Cost of sales	513.6	510.8
Selling, general and administrative	186.6	194.5
Acquisition-related and integration charges	0.0	5.2
Restructuring gain, net	(13.1)	(1.2)
Operating profit	146.4	88.6
Other income (expense):
Interest income	0.4	0.4
Interest expense	(13.6)	(12.5)
Miscellaneous income, net	3.9	3.8
Total other expense	(9.3)	(8.3)
Income before income taxes	137.1	80.3
Provision for income taxes	28.7	17.5
Net income attributable to common shareholders	$ 108.4	$ 62.8
Earnings per share:
Basic (in dollars per share)	$ 1.86	$ 1.07
Diluted (in dollars per share)	$ 1.84	$ 1.05
Average shares outstanding:
Average basic shares outstanding (in shares)	58.2	58.8
Average diluted shares outstanding (in shares)	58.9	59.6
Dividends per share (in dollars per share)	$ 0.43	$ 0.43