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Subsequent Events (Detail) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 02, 2023
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Subsequent Event [Line Items]          
Common stock dividends per share (in dollars per share)   $ 0.14 $ 0.12 $ 0.28 $ 0.24
Stock repurchased during period   $ 61,836,000 $ 127,802,000 $ 109,907,000 $ 195,163,000
Subsequent Event          
Subsequent Event [Line Items]          
Common stock dividends per share (in dollars per share) $ 0.14        
Share repurchases (in shares) 300,000        
Stock repurchased during period $ 38,700,000