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Segment Information (Tables)
3 Months Ended
May 31, 2014
Segment Information Tables  
Segment information
   Three Months Ended May 31, 2014   Three Months Ended May 31, 2013 
   Ultrasonic
Spraying
   Rental
Real Estate
Operations
   Eliminations   Consolidated   Ultrasonic
Spraying
   Rental
Real Estate
Operations
   Eliminations   Consolidated 
Net Sales  $2,401,949   $67,824   $49,074   $2,420,699   $2,353,979   $54,350   $33,935   $2,374,394 
Rental Expense  $49,074   $39,159   $(49,074)  $39,159   $33,935   $34,482   $(33,935)  $34,482 
Interest Expense  $394   $16,035        $16,429   $726   $27,049        $27,775 
Net Income (Loss)  $54,012   $12,630        $66,642   $80,928   $(7,180)       $73,748 
Assets  $6,876,160   $2,489,912        $9,366,072   $6,821,131   $2,478,605        $9,299,736 
Debt  $66,091   $1,556,475        $1,622,566   $125,858   $1,956,328        $2,082,186