Graham Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- The Company and Its Accounting Policies (Policies)
Notes Tables
Notes Details

Stock Compensation Plans - Schedule of Restricted Stock Units ("RSUs"), Performance Stock Units ("PSUs"), and Restricted Stock Awards ("RSAs") Granted (Parenthetical) (Detail)

v3.23.1

Stock Compensation Plans - Schedule of Restricted Stock Units ("RSUs"), Performance Stock Units ("PSUs"), and Restricted Stock Awards ("RSAs") Granted (Parenthetical) (Detail)	12 Months Ended
	Mar. 31, 2023
Director [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation vesting percentage	100.00%
Vesting period	1 year
Officers and Key Employees [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation vesting percentage	100.00%
Vesting period	3 years
Officers and Key Employees [Member] \| Time Vest One-Third Per Year [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation vesting percentage	33.33%
Vesting period	3 years
Officers and Key Employees [Member] \| Performance Vest One-Third Per Year [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation vesting percentage	33.33%
Vesting period	3 years

- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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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.

+ References

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- Definition

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+ References

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