Subsequent Events	3 Months Ended
Jun. 30, 2025
Subsequent Events [Abstract]
Subsequent Events	Subsequent Event On July 24, 2025, Thermon Group Holdings, Inc. and its subsidiaries entered into a Second Amended and Restated Credit Agreement with JPMorgan Chase Bank, N.A. as administrative agent and a syndicate of lenders. The agreement provides for a five-year $115,000 secured revolving credit facility and a $125,000 secured term loan, replacing the prior credit agreement dated September 29, 2021. Proceeds were used to refinance existing debt and will support working capital and general corporate purposes. The facilities are secured by first liens on substantially all assets of the Company and its guarantor subsidiaries, and include financial covenants, interest rate options, and provisions for voluntary and mandatory prepayments.

Subsequent Events

3 Months Ended

Jun. 30, 2025

Subsequent Event

On July 24, 2025, Thermon Group Holdings, Inc. and its subsidiaries entered into a Second Amended and Restated Credit Agreement with JPMorgan Chase Bank, N.A. as administrative agent and a syndicate of lenders. The agreement provides for a five-year $115,000 secured revolving credit facility and a $125,000 secured term loan, replacing the prior credit agreement dated September 29, 2021. Proceeds were used to refinance existing debt and will support working capital and general corporate purposes. The facilities are secured by first liens on substantially all assets of the Company and its guarantor subsidiaries, and include financial covenants, interest rate options, and provisions for voluntary and mandatory prepayments.