Condensed Consolidated Balance Sheets (Parentheticals) - $ / shares shares in Millions	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Preference stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preference stock, shares authorized (in shares)	15.0	15.0
Preference stock, shares issued (in shares)	0.0	0.0
Preference stock, shares outstanding (in shares)	0.0	0.0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	150.0	150.0
Common stock, shares outstanding (in shares)	80.4	80.1
Treasury stock, shares (in shares)	2.0	2.1