CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - $ / shares	Mar. 31, 2022	Dec. 31, 2021
Statement Of Financial Position [Abstract]
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	1,600,000	1,400,000