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CASH FLOW INFORMATION
12 Months Ended
Jul. 31, 2013
CASH FLOW INFORMATION [Abstract]  
CASH FLOW INFORMATION

10. CASH FLOW INFORMATION:

     For purposes of reporting cash flows, the Company considers cash equivalents to consist of short-term highly liquid investments with maturities of three months or less, which are readily convertible into cash.

     Supplemental disclosures:

  July 31,
  2013   2012   2011
Interest paid, net of capitalized interest of $24,659 (2013),                        
       $4,056 (2012) and $44,108 (2011) $ 427,278   $ 541,301   $ 658,004
Income taxes paid $ 637,382   $ 259,061   $ 333,380