CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Receivable, net of allowance for credit loss and other, noncurrent	$ 0.2	$ 0.8
Preferred stock, par value (in dollar per share)	$ 25	$ 25
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, issued (in shares)	0	0
Common stock, par value (in dollar per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	160,000,000	160,000,000
Common stock, shares issued (in shares)	123,017,656	122,304,124
Common stock, shares outstanding (in shares)	104,258,253	103,743,163
Treasury stock, common shares (in shares)	18,759,403	18,560,931
Nonrelated Party
Receivable, net of allowance for credit loss and other, current	$ 0.2	$ 0.2
Related Party
Receivable, net of allowance for credit loss and other, current	$ 2.2	$ 1.5