Annual report pursuant to Section 13 and 15(d)

Debt (Details)

v2.4.0.6
Debt (Details)
12 Months Ended 0 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended
Mar. 31, 2013
USD ($)
Mar. 31, 2012
USD ($)
Mar. 31, 2011
USD ($)
Aug. 28, 2012
OEM
USD ($)
Oct. 08, 2012
OEM
USD ($)
Aug. 28, 2012
OEM
Maximum
USD ($)
Apr. 03, 2012
10.5% Senior Notes
USD ($)
Mar. 27, 2012
10.5% Senior Notes
USD ($)
May 05, 2010
10.5% Senior Notes
USD ($)
Mar. 31, 2013
10.5% Senior Notes
USD ($)
Mar. 31, 2012
10.5% Senior Notes
USD ($)
Mar. 31, 2013
10.5% Senior Notes
Prior to May 1, 2013
Mar. 31, 2013
10.5% Senior Notes
Prior to May 1, 2014
Mar. 31, 2013
10.5% Senior Notes
Minimum
Mar. 31, 2013
10.5% Senior Notes
Maximum
Prior to May 1, 2013
Mar. 31, 2013
Advanced payment from OEM
USD ($)
Mar. 31, 2013
Other
USD ($)
Mar. 31, 2012
Other
USD ($)
Mar. 31, 2013
Revolving Line of Credit
USD ($)
Mar. 31, 2012
Revolving Line of Credit
USD ($)
Sep. 30, 2010
Revolving Line of Credit
USD ($)
Mar. 31, 2013
Revolving Line of Credit
Greater than 33.3% and less than 66.6%
Mar. 31, 2013
Revolving Line of Credit
Greater than or equal to 66.6%
Mar. 31, 2013
Revolving Line of Credit
LIBOR
Mar. 31, 2013
Revolving Line of Credit
Base Rate
Mar. 31, 2013
Revolving Line of Credit
KEMET Singapore
Mar. 31, 2013
Revolving Line of Credit
Minimum
Greater than 33.3% and less than 66.6%
Mar. 31, 2013
Revolving Line of Credit
Maximum
Greater than 33.3% and less than 66.6%
Mar. 31, 2013
Revolving Line of Credit
Maximum
Greater than or equal to 66.6%
Sep. 30, 2010
Singapore facility
USD ($)
Mar. 31, 2013
Singapore facility
LIBOR
Mar. 31, 2013
Singapore facility
Base Rate
Mar. 31, 2013
Singapore facility
KEMET Singapore
Mar. 31, 2013
Singapore facility
Minimum
LIBOR
Mar. 31, 2013
Singapore facility
Minimum
Base Rate
Mar. 31, 2013
Singapore facility
Maximum
LIBOR
Mar. 31, 2013
Singapore facility
Maximum
Base Rate
Mar. 31, 2013
U.S. facility
USD ($)
Mar. 31, 2013
U.S. facility
LIBOR
Mar. 31, 2013
U.S. facility
Base Rate
Mar. 31, 2013
U.S. facility
KEC
USD ($)
Mar. 31, 2013
U.S. facility
Minimum
LIBOR
Mar. 31, 2013
U.S. facility
Minimum
Base Rate
Mar. 31, 2013
U.S. facility
Maximum
LIBOR
Mar. 31, 2013
U.S. facility
Maximum
Base Rate
May 05, 2010
Credit facility with K Financing, LLC
EUR (€)
May 05, 2010
UniCredit
EUR (€)
May 05, 2010
2.25% Convertible Senior Notes
USD ($)
Debt                                                                                                
Total $ 383,500,000 $ 347,331,000               $ 358,773,000 $ 343,539,000         $ 22,944,000 $ 1,783,000 $ 3,792,000                                                            
Current maturities (10,793,000) (1,951,000)                                                                                            
Total long-term debt 372,707,000 345,380,000                                                                                            
Stated interest rate (as a percent)                   10.50% 10.50%                                                                         2.25%
Unamortized premium               6,100,000   3,773,000                                                                            
Unamortized discount                     3,539,000         1,056,000                                                                
Interest expense                                                                                                
Contractual interest expense 37,193,000 24,967,000 25,245,000                                                                                          
Amortization of debt issuance costs 1,704,000 1,081,000 1,137,000                                                                                          
Amortization of debt (premium) discount (183,000) 1,742,000 3,461,000                                                                                          
Imputed interest on acquisition related obligations 2,617,000 777,000 332,000                                                                                          
Total interest expense 41,331,000 28,567,000 30,175,000                                                                                          
Amount agreed to be advanced       24,000,000                                                                                        
Period of payment of advanced amount as percentage of aggregate purchase price of capacitors       8 months                                                                                        
Monthly repayment of advanced amount, price ratio below threshold           1,000,000                                                                                    
Monthly repayment of advanced amount, price ratio above threshold           2,000,000                                                                                    
Threshold price ratio (as a percent)       110.00%                                                                                        
Period after which outstanding balance of advance payment is due in full       32 months                                                                                        
Amount of irrevocable standby letter of credit delivered         16,000,000                                                                                      
Aggregate principal amount             15,000,000 110,000,000 230,000,000                                                                              
Net proceeds                 222,200,000                                                                              
Repayment of outstanding indebtedness                                                                                           60,000,000 35,000,000 40,500,000
Percentage of capital stock of foreign restricted subsidiaries kept as first priority lien                   51.00%                                                                            
Percentage of principal amount of debt that can be redeemed from certain equity offerings                             35.00%                                                                  
Redemption price as a percentage of the principal amount                       110.50% 100.00%                                                                      
Redemption price upon change of control as a percentage of the principal amount                   101.00%                                                                            
Minimum percentage of aggregate principal amount held by holders to declare notes due and payable                           25.00%                                                                    
Issue price as percentage of principal amount plus accrued interest             105.50% 105.50%                                                                                
Debt issuance cost, net of amortization                   6,700,000 7,800,000               600,000 900,000                                                        
Interest payable 15,628,000 14,843,000               15,600,000                                                                            
Effective interest rate (as a percent)                   10.40% 10.60%                                                                          
Maximum borrowing capacity                                         50,000,000                 30,000,000                                    
Borrowing base component one, percentage of borrower's accounts receivable that satisfy certain eligibility criteria                                                                 85.00%               85.00%              
Borrowing base component two, fixed amount for determining second component for borrowing base                                                                                 4,000,000              
Borrowing base component two, percentage of net book value of inventory of borrower that satisfies certain eligibility criteria                                                                                 40.00%              
Borrowing base component three, fixed amount for determining second component for borrowing base                                                                                 6,000,000              
Borrowing base component three, percentage of net orderly liquidation percentage of the appraised value of equipment that satisfies certain eligibility criteria                                                                                 80.00%              
Variable interest rate basis                                               LIBOR base rate           LIBOR base rate             LIBOR base rate                
Spread on variable rate basis (as a percent)                                               100.00%                   3.25% 2.25% 3.75% 2.75%         3.00% 2.00% 3.50% 2.50%      
Unused line fee (as a percent)                                     0.75%     0.50% 0.375%                                                  
Average daily balance as percentage of total revolving commitment                                                     33.30% 66.60% 66.60%                                      
Cash Dominion Trigger Event, Number of days Considered                                     5 days                                     5 days                    
Cash Dominion Trigger Event, Availability under credit facility (as a percent)                                     15.00%                                                          
Cash Dominion Trigger Event, Availability under credit facility                                     7,500,000                                     3,750,000                    
Percentage of assets pledged as collateral                                                   100.00%                                            
Fixed charge coverage ratio                                     1.1                                                          
Consecutive period of non occurrence of any condition to maintain fixed charge coverage ratio                                     45 days                                                          
Required aggregate revolver commitments to maintain fixed charge coverage ratio (as a percent)                                     15.00%                                                          
Required aggregate revolver commitments to maintain fixed charge coverage ratio                                     7,500,000                                     3,750,000                    
Borrowings outstanding                                     0 0                                                        
Annual maturities of debt                                                                                                
2014                               10,000,000 1,233,000                                                              
2015 12,550,000                             12,000,000 550,000                                                              
2016 2,000,000                             2,000,000                                                                
Thereafter                   $ 355,000,000