CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Accounts receivable, allowance for credit loss	$ 16.9	$ 16.7
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	10,000,000.0	10,000,000.0
Preferred stock, issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1.25	$ 1.25
Common stock, authorized (in shares)	300,000,000.0	300,000,000.0
Common stock, issued (in shares)	189,300,000	189,300,000
Common stock, outstanding (in shares)	124,000,000.0	123,300,000
Treasury stock (in shares)	64,700,000	65,400,000
Stock held by employee benefit trusts (in shares)	600,000	600,000