Common and Common Equivalent Shares - Schedule of Calculation of Shares Used in Basic and Diluted Net Income Per Share (Detail) - shares		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Weighted average number of common shares outstanding		81,894,000	85,405,000
Weighted average number of dilutive common share equivalents		424,000	0
Weighted average number of common and common equivalent shares outstanding	[1]	82,318,000	85,405,000
Antidilutive securities not included in the diluted net income per common share calculation		1,377,000	248,000

[1] (a) Due to a loss from continuing operations for the three months ended March 31, 2022, 0.9 million incremental shares are not included because the effect would be antidilutive.