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Note 6. Property And Equipment
12 Months Ended
May 31, 2012
Property, Plant and Equipment Disclosure [Text Block]
6.     PROPERTY AND EQUIPMENT

   
Successor
   
Predecessor
 
   
May 31, 2012
   
May 31, 2011
 
   
(in thousands)
 
             
Land
  $ 301     $ 67  
Buildings and improvements
    2,304       3,073  
Leasehold improvements
    16,154       17,757  
Capital work-in-progress
    4,131       6,754  
Furniture and fixtures
    1,966       3,992  
Instruments at customer sites
    15,786       54,403  
Machinery and equipment
    35,739       34,826  
      76,381       120,872  
Less accumulated depreciation
    (11,719 )     (62,656 )
Property, plant and equipment – net
  $ 64,662     $ 58,216  

Depreciation expense was $15.5 million in Successor fiscal 2012 period, $3.4 million in the Predecessor fiscal 2012 period, $13.9 million in fiscal year 2011, and $12.3 million in fiscal year 2010.  Depreciation expense is primarily included in cost of sales in the consolidated statements of operations.