CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Millions, $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 19.3	$ 16.9
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	10.0	10.0
Preferred stock, issued (in shares)	0.0	0.0
Common stock, par value (in dollars per share)	$ 1.25	$ 1.25
Common stock, authorized (in shares)	300.0	300.0
Common stock, issued (in shares)	189.3	189.3
Common stock, outstanding (in shares)	122.6	124.0
Treasury stock (in shares)	66.1	64.7
Stock held by employee benefits trusts (in shares)	0.6	0.6