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v3.24.1.1.u2

Stock Compensation Plans - Schedule of Restricted Stock Units ("RSUs"), Performance Stock Units ("PSUs"), and Restricted Stock Awards ("RSAs") Granted (Detail) - shares shares in Thousands | 12 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Time Vesting Restricted Stock Units (RSUs) [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded |  | 78 | 126 | 76
Time Vesting Restricted Stock Units (RSUs) [Member] | Director [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded | [1] | 38 | 37 | 22
Time Vesting Restricted Stock Units (RSUs) [Member] | Officers and Key Employees [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded | [1] | 0 | 33 | 0
Performance Vesting Performance Stock Units (PSU) [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded |  | 79 | 112 | 88
Performance Vesting Performance Stock Units (PSU) [Member] | Director [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded | [1] | 0 | 0 | 0
Performance Vesting Performance Stock Units (PSU) [Member] | Officers and Key Employees [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded | [1] | 79 | 112 | 88
Time Vest One-Third Per Year [Member] | Officers and Key Employees [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded | [1] | 40 | 56 | 54
Performance Vest One-Third Per Year [Member] | Officers and Key Employees [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Restricted stock awarded | [1] | 0 | 0 | 0
[1] | Subject to the terms of the applicable award.

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Line items represent financial concepts included in a table. 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