Calculation of Basic and Diluted Common Shares Outstanding (Detail) - shares	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Weighted-Average Shares of Common Stock Outstanding	37,982,580	42,028,619
Assumed Exercise of Outstanding Dilutive Options	428,779	652,877
Less Shares Repurchased from Proceeds of Assumed Exercised Options	(311,790)	(425,147)
Restricted Stock	123,380	181,017
Weighted-Average Common Stock and Dilutive Securities Outstanding	38,222,949	42,437,366
Shares Excluded Due to Anti-Dilution Effects	32,656	3,578