Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current Assets
Accounts and Notes Receivable, Allowances	$ 10.8	$ 10.2
Shareholders' Equity
Common Stock, Shares Authorized (in Shares)	200,000,000	200,000,000
Common Stock, Par Value (in Dollars per Share)	$ 0.75	$ 0.75
Common Stock, Shares Issued (in Shares)	102,538,000	102,538,000
Common Stock, Shares Outstanding	68,227,000	71,365,000
Treasury Stock, Shares (in Shares)	34,311,000	31,173,000	25,605,000	24,663,000