Consolidated Balance Sheet Unaudited Parentheticals - USD ($) shares in Millions, $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Accounts Receivable [Abstract]
Accounts Receivable (Less Allowance of $1.5 and $1.6)	$ 1.5	$ 1.6
Common Stock [Abstract]
Common stock, shares authorized (in shares)	80.0	80.0
Common stock, shares outstanding (in shares)	57.5	57.2
Common stock, shares issued (in shares)	57.5	57.2