Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current assets
Allowance for trade receivables	$ 34.5	$ 37.4
Equity
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	260,000,000	260,000,000
Common stock, shares issued (in shares)	185,983,792	185,983,792
Treasury stock, shares (in shares)	60,017,869	60,284,313