Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Accounting Policy Information (Details)

v2.4.0.6
Basis of Presentation and Accounting Policy Information (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
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Apr. 30, 2010
Group of investors and other private equity firms
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Apr. 30, 2010
Group of investors and other private equity firms
Thermon Holding Corp.
Thermon Holdings, LLC
Apr. 30, 2010
Group of investors and other private equity firms
Thermon Holding Corp.
Thermon Holdings, LLC
Senior secured note
Business acquisition        
Number of other private equity firms 2 2    
Purchase price to acquire the controlling interest     $ 321,500  
Equity investments used to finance the acquisition and pay related transaction costs     129,252  
Debt financing used to finance the acquisition and pay related transaction costs       $ 210,000