CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 48.2	$ 43.3
Property, plant and equipment, accumulated depreciation	677.8	658.5
Intangible assets, accumulated amortization	$ 768.2	$ 736.6
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	120,000,000.0	120,000,000.0
Common stock, issued (in shares)	92,100,000	91,900,000
Common stock, outstanding (in shares)	92,100,000	91,900,000