Graham Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Intangible Assets - Additional Information (Detail)

Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Business Combination [Line Items]
Amortization of intangible assets	$ 2,506	$ 2,218	$ 2,157
FlackTek [Member]
Business Combination [Line Items]
Amortization of intangible assets	2,315
Inventory step up amortization	$ 191

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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