Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Details)

v2.4.0.6
Long-Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Mar. 31, 2012
Long-Term Debt      
Long-term debt $ 118,145   $ 139,145
Less current portion     (21,000)
Long-term debt, noncurrent 118,145   118,145
Outstanding borrowings 12,769    
Cash interest expense 4,367 6,790  
Partial redemptions 21,000 42,000  
Cash premiums paid on redemption 630 1,260  
Foreign Currency Transaction Risk      
Maximum term of forward contracts 90 days    
Notional amounts of forward contracts held to sell U.S. dollars in exchange for other major international currencies 10,697   14,429
Net foreign exchange transaction losses 52 (92)  
Gain (loss) on foreign currency forward contracts 28 (188)  
9.500% Senior Secured Notes, due May 2017
      
Long-Term Debt      
Interest rate (as a percent) 9.50%    
Long-term debt 118,145   139,145
Cash interest expense 11,200    
Partial redemptions 21,000 42,000  
Deferred debt amortization 871 1,871  
Revolving credit facility
      
Long-Term Debt      
Borrowing base as a percentage of eligible accounts receivable 85.00%    
Borrowing base as a percentage of eligible inventory 60.00%    
Borrowing base as a percentage of net orderly liquidation value of eligible equipment 85.00%    
Borrowing base as a percentage of fair market value of eligible owned real property 50.00%    
Capacity available under credit facility 26,700    
Outstanding borrowings 12,800    
Interest rate at period end (as a percent) 5.00%    
Annual commitment fee on unutilized commitments (as a percent) 0.75%    
Revolving credit facility | Thermon Industries, Inc.
      
Long-Term Debt      
Term of debt 5 years    
Maximum borrowing capacity 40,000    
Revolving credit facility | Canadian subsidiary
      
Long-Term Debt      
Maximum borrowing capacity $ 20,000