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Comprehensive Income
6 Months Ended
Jan. 31, 2012
Comprehensive Income [Abstract]  
Comprehensive Income
Note 3.  Comprehensive Income
 
    Comprehensive income was $1,803,000 and $2,545,000 for the three and six months ended January 31, 2012, respectively.  Comprehensive income was $1,226,000 and $1,985,000 for the three and six months ended January 31, 2011, respectively.  The Company's only component of other comprehensive income is the foreign currency translation adjustment.