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Note 10 - Derivative Financial Instruments (Tables)
6 Months Ended
Nov. 30, 2012
Schedule of Interest Rate Derivatives [Table Text Block]
   
November 30, 2012
   
May 31, 2012
 
             
Interest rate swaps (included in other liabilities)
  $ (2,563 )   $ (2,198 )
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]
         
Successor
   
Predecessor
 
Location of Loss Reclassified from Accumulated OCI into Income
 
Six Months
Ended
November 30, 2012
   
August 20, 2011
Through
November 30, 2011
   
June 1, 2011
Through
August 19, 2011
 
                   
Interest expense (effective)
  $ (518 )   $ (220 )   $ -  
                         
Interest expense (ineffective)
  $ (7 )   $ -     $ -