Property and equipment
 12 Months Ended
Jun. 30, 2012
Property and equipment

E. Property and equipment:

Property and equipment consist of (in thousands):

 

     June 30,  
     2012     2011  

Cost:

     

    Land

    $ 7,473      $ 7,497   

    Buildings and improvements

      123,257        119,833   

    Laboratory equipment

      31,658        30,315   

    Office and computer equipment

      5,710        5,407   
  

 

 

    

 

 

  
     168,098        163,052   

Accumulated depreciation and amortization

      (74,310 )      (67,654 ) 
  

 

 

    

 

 

  
   $ 93,788      $ 95,398