Quarterly report pursuant to Section 13 or 15(d)

Short-Term Revolving Lines of Credit (Details)

v2.4.0.6
Short-Term Revolving Lines of Credit (Details)
Dec. 31, 2012
Thermon Holding Corp.
USD ($)
Mar. 31, 2012
Netherlands
USD ($)
Dec. 31, 2012
Netherlands
Thermon Holding Corp.
USD ($)
Dec. 31, 2012
Netherlands
Thermon Holding Corp.
EUR (€)
Dec. 31, 2012
India
USD ($)
Mar. 31, 2012
India
USD ($)
Dec. 31, 2012
India
Thermon Holding Corp.
USD ($)
Dec. 31, 2012
India
Thermon Holding Corp.
INR
Dec. 31, 2012
Australia
USD ($)
Mar. 31, 2012
Australia
USD ($)
Dec. 31, 2012
Australia
Thermon Holding Corp.
USD ($)
Dec. 31, 2012
Australia
Thermon Holding Corp.
AUD
Dec. 31, 2012
Japan
USD ($)
Mar. 31, 2012
Japan
USD ($)
Dec. 31, 2012
Japan
Thermon Holding Corp.
USD ($)
Dec. 31, 2012
Japan
Thermon Holding Corp.
JPY (¥)
Mar. 31, 2012
Revolving credit facility
USD ($)
Dec. 31, 2012
Revolving credit facility
Netherlands
USD ($)
Dec. 31, 2012
Revolving credit facility
Netherlands
EUR (€)
Dec. 31, 2012
Revolving credit facility
India
USD ($)
Dec. 31, 2012
Revolving credit facility
India
INR
Dec. 31, 2012
Revolving credit facility
Australia
USD ($)
Dec. 31, 2012
Revolving credit facility
Australia
AUD
Dec. 31, 2012
Revolving credit facility
Japan
USD ($)
Dec. 31, 2012
Revolving credit facility
Japan
JPY (¥)
Dec. 31, 2012
Credit Facility [Domain]
Thermon Holding Corp.
USD ($)
Short-Term Revolving Lines of Credit                                                    
Maximum borrowing capacity     $ 5,286,000 € 4,000,000     $ 1,460,000 80,000,000     $ 337,000 325,000     $ 524,000 ¥ 45,000,000   $ 5,286,000 € 4,000,000 $ 1,460,000 80,000,000 $ 337,000 325,000 $ 524,000 ¥ 45,000,000  
Outstanding borrowings $ 0 $ 0 $ 0   $ 0 $ 0 $ 0   $ 0 $ 0 $ 0   $ 0 $ 0 $ 0   $ 0                 $ 0