Computation of Basic and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income (loss)	$ 54,554	$ (26,525)
Weighted average shares – basic	45,575	45,311
Net income per share – basic	$ 1.20	$ (0.59)
Effect of dilutive securities	347
Weighted average shares – diluted	45,922	45,311
Net income (loss) per share - diluted	$ 1.19	$ (0.59)