Graham Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail)

Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 94,164	$ 97,945	$ 96,724	$ 98,966
Other comprehensive income before reclassifications			155	(223)
Amounts reclassified from accumulated other comprehensive loss			409	389
Total other comprehensive income	350	59	564	166
Ending Balance	96,577	98,495	96,577	98,495
Pension and Other Postretirement Benefits Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(9,472)	(8,947)
Amounts reclassified from accumulated other comprehensive loss			409	389
Total other comprehensive income			409	389
Ending Balance	(9,063)	(8,558)	(9,063)	(8,558)
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance			(84)	114
Other comprehensive income before reclassifications			155	(223)
Total other comprehensive income			155	(223)
Ending Balance	71	(109)	71	(109)
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(9,342)	(8,726)	(9,556)	(8,833)
Ending Balance	$ (8,992)	$ (8,667)	$ (8,992)	$ (8,667)

- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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