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Earnings Per Share - Details of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ (49,254)	$ 8,059	$ (160,004)	$ 17,945
Weighted average common shares outstanding used in basic EPS (in shares)	44,877	44,593	44,809	44,536
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs (in shares)	0	346	0	353
Weighted average common shares outstanding and common share equivalents used in diluted EPS (in shares)	44,877	44,939	44,809	44,889
Earnings (loss) per share from continuing operations
Basic (in dollars per share)	$ (1.10)	$ 0.18	$ (3.57)	$ 0.40
Diluted (in dollars per share)	$ (1.10)	$ 0.18	$ (3.57)	$ 0.40

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