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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		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ (2,460)	$ 1,492	$ (110,750)	$ 9,886
Weighted average common shares outstanding used in basic EPS (in shares)	44,841	44,563	44,775	44,507
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs (in shares)	0	309	0	358
Weighted average common shares outstanding and common share equivalents used in diluted EPS (in shares)	44,841	44,872	44,775	44,865
Earnings (loss) per share from continuing operations
Basic (in dollars per share)	$ (0.05)	$ 0.03	$ (2.47)	$ 0.22
Diluted (in dollars per share)	$ (0.05)	$ 0.03	$ (2.47)	$ 0.22

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