CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	200,000,000.0	200,000,000.0
Common stock, shares issued (in shares)	44,500,000	44,200,000
Common shares, outstanding (in shares)	41,500,000	42,600,000
Treasury stock (in shares)	2,900,000	1,600,000