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Computation of Earnings Per Share - Calculation of Basic and Diluted Common Shares Outstanding (Detail) - shares	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share [Abstract]
Weighted-Average Shares of Common Stock Outstanding	33,317,168	34,466,141	33,493,382	34,931,378
Assumed Exercise of Outstanding Dilutive Options	203,978	305,842	231,459	312,723
Less Shares Repurchased from Proceeds of Assumed Exercised Options	(67,763)	(169,413)	(86,173)	(170,910)
Restricted Stock and Restricted Stock Units	155,155	147,151	132,992	128,467
Weighted-Average Common Stock and Dilutive Securities Outstanding	33,608,538	34,749,721	33,771,660	35,201,658
Shares Excluded Due to Anti-Dilution Effects	5,476	5,558	4,047	22,145

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Shares repurchased from assumed proceeds of assumed exercised options.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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