Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Accounting Policy Information (Details) - Thermon Holding Corp

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Basis of Presentation and Accounting Policy Information (Details) - Thermon Holding Corp (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
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Apr. 30, 2010
Thermon Holding Corp.
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Apr. 30, 2010
Thermon Holding Corp.
Thermon Holdings, LLC
Basis of Presentation      
Number of other private equity firms 2 2  
Cost of selling controlling interest     $ 321,500
Cost of selling controlling interest financed by equity investments     129,252
Cost of selling controlling interest financed by senior secured note issue     $ 210,000