Thermon Group Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Foreign Exchange Contracts (Details)

Fair Value Measurements - Foreign Exchange Contracts (Details) (Thermon Holding Corp., USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Mar. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maximum term of forward contracts			30 days
Net Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	$ (470)	$ (117)	$ (1,238)	$ (353)
Foreign Exchange Forward Contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign exchange contract forwards, assets	51		51		35
Foreign exchange contract forwards, liabilities	92		92		93
Gain (Loss) on Foreign Currency Derivatives Recorded in Earnings, Net	$ (321)	$ (144)	$ (496)	$ (350)

- Definition

Aggregate impact of foreign currency derivatives on earnings for the period. Includes impact of foreign currency cash flow hedge ineffectiveness and the ineffectiveness of fair value hedging derivatives and full change in fair value of the foreign currency derivatives not designated as hedging instruments.

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