Long-Term Debt (Details) (USD $)
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6 Months Ended | 0 Months Ended | 0 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | |||||||||||||
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Sep. 30, 2014
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Sep. 30, 2013
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Mar. 31, 2014
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May 20, 2013
9.500% Senior Secured Notes, due May 2017
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Sep. 30, 2014
9.500% Senior Secured Notes, due May 2017
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Sep. 30, 2014
Loans Payable
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Mar. 31, 2014
Loans Payable
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Jun. 11, 2014
Revolving credit facility
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Jun. 10, 2014
Revolving credit facility
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Sep. 30, 2014
Revolving credit facility
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Jun. 11, 2014
Revolving credit facility
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Sep. 30, 2014
Revolving credit facility
Thermon Industries, Inc.
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Mar. 31, 2013
London Interbank Offered Rate (LIBOR)
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Mar. 31, 2013
Canadian Deposit Offer Rate
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Mar. 31, 2013
Minimum
Base Rate
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Mar. 31, 2013
Maximum
Base Rate
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Sep. 30, 2014
Through March 31, 2016
Loans Payable
|
Sep. 30, 2014
Last Two Years Of Loan
Loans Payable
|
Sep. 30, 2014
Due in April 2018
Loans Payable
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Debt Instrument [Line Items] | |||||||||||||||||||
Variable Rate Term Loan, due April 2019 | $ 118,145,000 | $ 114,750,000 | $ 121,500,000 | ||||||||||||||||
Less current portion | (13,500,000) | (13,500,000) | |||||||||||||||||
Long-term debt, noncurrent | 101,250,000 | 108,000,000 | |||||||||||||||||
Maximum borrowing capacity | 60,000,000 | ||||||||||||||||||
Debt instrument, interest rate, decrease (percentage) | 0.25% | ||||||||||||||||||
Line of credit facility, decrease in periodic payment (as a percentage) | 0.05% | ||||||||||||||||||
Maximum leverage ratio | 2.75 | 2.25 | |||||||||||||||||
Annual commitment fee on unutilized commitments (as a percent) | 0.35% | ||||||||||||||||||
Line of credit facility, commitment fee percentage | 0.125% | ||||||||||||||||||
Outstanding borrowings | 0 | ||||||||||||||||||
Capacity available under credit facility | 59,137,000 | ||||||||||||||||||
Interest rate at period end (as a percent) | 2.4375% | ||||||||||||||||||
Debt Instrument, interest rate, stated percentage | 2.4375% | 2.4375% | |||||||||||||||||
Repayments of Notes Payable | 1,125,000 | 1,688,000 | 40,500,000 | ||||||||||||||||
Premiums paid on redemptions | 0 | (15,485,000) | 15,485,000 | ||||||||||||||||
Deferred debt amortization | 4,010,000 | ||||||||||||||||||
Issuance costs associated with revolving line of credit and long term debt | $ 290,000 | ||||||||||||||||||
Interest rate in addition to LIBOR rate | 1.00% | 1.00% | 0.50% | 1.00% |