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

Annual report pursuant to Section 13 and 15(d)

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

Changes in Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before provision for income taxes									$ 21,752	$ 14,710	$ 15,577
Provision for income taxes									7,017us-gaap_IncomeTaxExpenseBenefit	4,565us-gaap_IncomeTaxExpenseBenefit	4,429us-gaap_IncomeTaxExpenseBenefit
Net income	4,165us-gaap_NetIncomeLoss	3,992us-gaap_NetIncomeLoss	4,186us-gaap_NetIncomeLoss	2,392us-gaap_NetIncomeLoss	2,317us-gaap_NetIncomeLoss	1,431us-gaap_NetIncomeLoss	2,589us-gaap_NetIncomeLoss	3,808us-gaap_NetIncomeLoss	14,735us-gaap_NetIncomeLoss	10,145us-gaap_NetIncomeLoss	11,148us-gaap_NetIncomeLoss
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] \| Amortization of Unrecognized Prior Service Benefit [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before provision for income taxes									102	162
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] \| Amortization of Actuarial Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before provision for income taxes									(616)	(1,048)
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] \| Pension and Other Postretirement Benefits Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before provision for income taxes									(514)	(886)
Provision for income taxes									(182)	(313)
Net income									$ (332)	$ (573)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details