Document and Entity Information Document	3 Months Ended	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Oct. 31, 2014
Entity Information [Line Items]
Entity Registrant Name		TRIUMPH GROUP INC
Entity Central Index Key		0001021162
Current Fiscal Year End Date		--03-31
Entity Filer Category		Large Accelerated Filer
Document Type		10-Q
Document Period End Date		Sep. 30, 2014
Document Fiscal Year Focus		2015
Document Fiscal Period Focus		Q2
Amendment Flag		false
Entity Common Stock, Shares Outstanding			50,787,068
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes