Members' Equity (Predecessor) Members' Equity (Predecessor)

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Members' Equity (Predecessor) Members' Equity (Predecessor) (Predecessor [Member])	12 Months Ended
	Mar. 31, 2013
Predecessor [Member]
Members' Equity Predecessor [Line Items]
Members' Equity (Prodecessor)	Members' Equity (Predecessor) The limited liability company agreement (Operating Agreement) entered into in August 2007 in connection with the acquisition of Thermon set forth that ownership interests were comprised of Class A Units for investors and a series of Class P Units as profits interest units. The Operating Agreement set forth the terms of ownership and how the profits, losses and gains were allocated to the capital accounts of its members. The timing and aggregate amount of distributions to unit holders were determined at the sole discretion of the Board of Managers. Only Class A Units were voting units. Unless specifically agreed, holders of the Company's ownership interest had no liability for the Company's obligations. Units were not transferable, except in limited circumstances as set out in the Operating Agreement. Class P Units were additionally subject to the terms of the certificate documenting the award, including vesting and repurchase rights at the lower of original cost of fair market value upon separation of service. With the close of the CHS Transactions, all Class A Units and all vested Class P Units were liquidated through cash distributions to their respective holders.