Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2022	Dec. 31, 2021
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	91,200,000	91,200,000
Treasury stock, common shares	14,900,000	1,400,000