CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Shareholders’ equity:
Accounts receivable, allowance for credit loss	$ 10.9	$ 6.2
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	360,000,000	360,000,000
Common stock, shares issued (in shares)	186,200,000	186,200,000
Common stock held in treasury, shares (in shares)	1,400,000	1,000,000