Share-based compensation arrangement by share-based payment award, award vesting maturity period.

No definition available.

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- Definition

Share-based compensation arrangement by share-based payment award, performance period.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

Gross number of share options (or share units) granted during the period.

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Schedule Of Period And Vesting Of Performance Share (Detail) - shares	1 Months Ended	12 Months Ended
	May 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for future grant		1,411,799
Options granted		5,558	56,621	11,316
One-Year Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for future grant	11,424
Vesting Date	2024-05
One-Year Performance Shares [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Apr. 01, 2023
One-Year Performance Shares [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Mar. 31, 2024
Two-Year Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for future grant	11,424
Vesting Date	2025-05
Two-Year Performance Shares [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Apr. 01, 2023
Two-Year Performance Shares [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Mar. 31, 2025
Three-Year Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for future grant	22,845
Vesting Date	2026-05
Three-Year Performance Shares [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Apr. 01, 2023
Three-Year Performance Shares [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Mar. 31, 2026
Long Term Compensation Plan [Member] \| One-Year Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options granted	574
Vesting Date	2024-05
Long Term Compensation Plan [Member] \| One-Year Performance Shares [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Apr. 01, 2023
Long Term Compensation Plan [Member] \| One-Year Performance Shares [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Mar. 31, 2024
Long Term Compensation Plan [Member] \| Two-Year Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options granted	574
Vesting Date	2025-05
Long Term Compensation Plan [Member] \| Two-Year Performance Shares [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Apr. 01, 2023
Long Term Compensation Plan [Member] \| Two-Year Performance Shares [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Mar. 31, 2025
Long Term Compensation Plan [Member] \| Three-Year Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options granted	1,148
Vesting Date	2026-05
Long Term Compensation Plan [Member] \| Three-Year Performance Shares [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Apr. 01, 2023
Long Term Compensation Plan [Member] \| Three-Year Performance Shares [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Performance Period	Mar. 31, 2026