Schedule of Earnings Per Share (Detail) - shares |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Earnings Per Share [Abstract] | |||
| Weighted-Average Shares of Common Stock Outstanding | 32,014,721 | 33,378,050 | 34,811,560 |
| Assumed Exercise of Outstanding Dilutive Options | 174,539 | 218,434 | 304,889 |
| Less Shares Repurchased from Proceeds of Assumed Exercised Options | (75,142) | (82,734) | (157,457) |
| Restricted Stock Units | 79,673 | 132,645 | 138,879 |
| Weighted-Average Common Stock and Dilutive Securities Outstanding | 32,193,791 | 33,646,395 | 35,097,871 |
| X | ||||||||||
- Definition Shares repurchased from assumed proceeds of assumed exercised options. No definition available.
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- References No definition available.
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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