Annual report pursuant to Section 13 and 15(d)

Investment in NEC TOKIN (Details)

v2.4.0.6
Investment in NEC TOKIN (Details) (NEC TOKIN, USD $)
2 Months Ended 12 Months Ended
Mar. 31, 2013
Feb. 01, 2013
Stockholders' Agreement
item
Mar. 31, 2013
Put Option
Feb. 01, 2013
KEC
Feb. 01, 2013
KEC
Stock Purchase Agreement
Mar. 12, 2012
KEC
Stock Purchase Agreement
Feb. 01, 2013
KEC
Stockholders' Agreement
item
Mar. 31, 2013
KEC
Option Agreement
item
Mar. 31, 2013
KEC
Put Option
item
Investment in NEC TOKIN                  
Common stock acquired (as a percent)           51.00%      
Economic ownership to be acquired           34.00%   49.00%  
Purchase price       $ 54,500,000          
Purchase price paid         50,000,000        
Number of director positions   7         4    
Purchase price for expected additional shares that may be acquired               50,000,000  
Ownership interest maintained after acquisition of additional shares (as a percent)               51.00%  
LTM EBITDA multiple               6 6
Value of net call derivative options     500,000            
Transaction expenses       4,500,000          
Summarized financial information                  
Current assets 220,652,000                
Noncurrent assets 422,246,000                
Current liabilities 121,238,000                
Noncurrent liabilities 411,789,000                
Sales 82,772,000                
Gross profit 9,147,000                
Net loss (2,216,000)                
Excess of the carrying value for its investment over equity in memo accounts $ 15,400,000