Net Income Per Share - Computations of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Net income
Net income	$ 62,727	$ 100,836
Net income	$ 62,727	$ 100,836
Shares used in net income per share computation:
Weighted average shares outstanding - basic (in shares)	158,859	164,679
Effect of potentially dilutive equivalent shares (in shares)	1,296	1,727
Weighted average shares outstanding - diluted (in shares)	160,155	166,406
Net income per share:
Basic (in dollars per share)	$ 0.39	$ 0.61
Diluted (in dollars per share)	$ 0.39	$ 0.61