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           Deferred Charges And Other Assets 
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           Jun. 30, 2011 
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| Deferred Charges And Other Assets | 
 
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- Definition 
          Deferred Charges and Other Assets [Abstract] 
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- Definition 
          The entire disclosure of claims held for amounts due a company. Examples include trade accounts receivables, notes receivables, loans receivables, and so forth. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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