| Document and Entity Information | Feb. 06, 2024 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | TRIUMPH GROUP INC |
| Amendment Flag | false |
| Entity Central Index Key | 0001021162 |
| Document Type | 8-K |
| Document Period End Date | Feb. 06, 2024 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 1-12235 |
| Entity Tax Identification Number | 51-0347963 |
| Entity Address, Address Line One | 555 E Lancaster Avenue |
| Entity Address, Address Line Two | Suite 400 |
| Entity Address, City or Town | Radnor |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 19087 |
| City Area Code | 610 |
| Local Phone Number | 251-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Information, Former Legal Or Registered Name | Not Applicable |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common Stock, par value $.001 per share |
| Trading Symbol | TGI |
| Security Exchange Name | NYSE |
| Rights [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Purchase Rights |
| No Trading Symbol Flag | true |
| Security Exchange Name | NYSE |
