Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v2.4.0.6
Debt (Details) (USD $)
3 Months Ended 6 Months Ended 1 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Mar. 31, 2012
Apr. 30, 2012
10.5% Senior Notes
Mar. 31, 2012
10.5% Senior Notes
May 31, 2010
10.5% Senior Notes
Sep. 30, 2012
10.5% Senior Notes
Apr. 03, 2012
10.5% Senior Notes
Mar. 27, 2012
10.5% Senior Notes
Sep. 30, 2012
Other
Mar. 31, 2012
Other
Sep. 30, 2012
Revolving Line of Credit
Mar. 31, 2012
Revolving Line of Credit
Sep. 30, 2010
Revolving Line of Credit
Sep. 30, 2010
Singapore facility
Debt                                  
Total debt $ 361,197,000   $ 361,197,000   $ 347,331,000   $ 343,539,000   $ 359,066,000     $ 2,131,000 $ 3,792,000        
Current maturities (1,576,000)   (1,576,000)   (1,951,000)                        
Total long-term debt 359,621,000   359,621,000   345,380,000                        
Stated interest rate (as a percent)             10.50%   10.50%                
Unamortized premium             3,539,000   4,066,000                
Interest expense                                  
Contractual interest expense 9,182,000 6,270,000 18,669,000 12,626,000                          
Amortization of debt issuance costs 426,000 280,000 852,000 555,000                          
Amortization of debt (premium) discount (144,000) 598,000 (298,000) 1,254,000                          
Imputed interest on acquisition related obligations 672,000 134,000 1,370,000 247,000                          
Total interest expense 10,136,000 7,282,000 20,593,000 14,682,000                          
Aggregate principal amount           15,000,000 110,000,000 230,000,000                  
Issue price as percentage of principal amount plus accrued interest                   105.50% 105.50%            
Debt issuance cost, net of amortization                 7,400,000         800,000 900,000    
Interest payable             14,700,000   15,600,000                
Maximum borrowing capacity                               $ 50,000,000 $ 30,000,000