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Short-Term Bank Loans and Long Term Debt
12 Months Ended
Mar. 31, 2011
Short-Term Bank Loans and Long Term Debt [Abstract]  
SHORT-TERM BANK LOANS AND LONG TERM DEBT
9.   SHORT-TERM BANK LOANS AND LONG TERM DEBT
    Short-term bank loans as of March 31, 2011 and 2010 consisted of the following:
                         
                    Thousands of  
    Millions of Yen     U.S. Dollars  
    2011     2010     2011  
 
                       
Collateralized bank loans
  ¥ 500     ¥ 3,350     $ 6,042  
Unsecured bank loans
    5,617       4,591       67,871  
 
                 
 
                       
Total
  ¥ 6,117     ¥ 7,941     $ 73,913  
 
                 
    The weighted-average annual interest rates on short-term bank loans as of March 31, 2011 and 2010 were 0.8% and 1.3%, respectively.
 
    Unused lines of credit for short-term financing as of March 31, 2011 and 2010, aggregated ¥22,579 million ($272,825 thousand) and ¥21,401 million, respectively. Companies compensate banks for these facilities in the form of commitment fees, which were not material during the years ended March 31, 2011 and 2010.
 
    Long-term debt as of March 31, 2011 and 2010 are summarized below. The interest rates and maturities are for loans as of March 31, 2011.
                         
                    Thousands of  
    Millions of Yen     U.S. Dollars  
    2011     2010     2011  
 
                       
Collateralized bank loans, with floating interest at 2.0%, maturing through 2013
  ¥ 76     ¥ 137     $ 918  
Unsecured bank loans, with fixed interest at 1.8%, maturing through 2014
    200               2,417  
Capital lease obligation
    8       51       97  
 
                 
Total
    284       188       3,432  
 
                 
Less current portion
    (70 )     (108 )     (846 )
 
                 
 
                       
Long-term debt, less current portion
  ¥ 214     ¥ 80     $ 2,586  
 
                 
    The annual maturities of long-term debt as of March 31, 2011 were as follows:
                 
    Millions of     Thousands of  
Year Ending March 31   Yen     U.S. Dollars  
 
               
2012
  ¥ 70     $ 846  
2013
    14       169  
2014
    200       2,417  
 
           
 
               
Total
  ¥ 284     $ 3,432  
 
           
    A subsidiary has pledged assets as security for loans. As of March 31, 2011 and 2010, assets pledged as collateral for bank loans were as follows:
                         
                    Thousands of  
    Millions of Yen     U.S. Dollars  
    2011     2010     2011  
 
                       
Land
  ¥ 803     ¥ 1,015     $ 9,703  
Buildings
    460       412       5,558  
Investments
            977          
 
                 
 
                       
Total
  ¥ 1,263     ¥ 2,404     $ 15,261  
 
                 
    As of March 31, 2010, investments pledged includes ¥280 million of shares of the Company which are presented as treasury stock on the consolidated balance sheet.
 
    As is customary in Japan, both short-term and long-term loans are made under general agreements which provide that security and guarantees for future and present indebtedness will be given upon request of the bank and the bank has the right to offset cash deposits against obligations that have become due or, in the event of default, against all obligations due to the bank.