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Fair Value Measurements Fair Value Measurements - Foreign Exchange Contracts (Details) (Thermon Holding Corp., USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||||||
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Jun. 30, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
Foreign Exchange Forward Contracts
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Dec. 31, 2011
Foreign Exchange Forward Contracts
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Jun. 30, 2013
Foreign Exchange Forward Contracts
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Mar. 31, 2013
Foreign Exchange Forward Contracts
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||
| Maximum term of forward contracts | 30 days | ||||||
| Foreign exchange contract forwards, assets | $ 162 | $ 87 | |||||
| Foreign exchange contract forwards, liabilities | 0 | 32 | |||||
| Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments | (165) | 662 | |||||
| Net Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments | $ 17 | $ (52) | |||||
| X | ||||||||||
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- Definition
Foreign Currency Transaction Gain (Loss), Net of Impact of Foreign Currency Derivatives on Earnings No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents contracts related to the exchange of different currencies, including foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into and existing as of the balance sheet date. No definition available.
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| X | ||||||||||
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- Definition
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents contracts related to the exchange of different currencies, including foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into and existing as of the balance sheet date. No definition available.
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| X | ||||||||||
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- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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