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Note 9 - Deferred Financing Costs, Net
6 Months Ended
Nov. 30, 2015
Notes to Financial Statements  
Deferred Financing Costs, Net [Text Block]
9.
DEFERRED FINANCING COSTS
, net
 
Changes in deferred financing costs, net during the six months ended November 30, 2015 and the fiscal year ended May 31, 2015 are as follows (in thousands):
 
 
 
 
As of
 
 
 
November 30, 2015
 
 
May 31, 2015
 
                 
Balance at beginning of period
  $ 26,399       33,116  
Amortization
    (3,535 )     (6,717 )
Balance at end of period
  $ 22,864       26,399  
 
Deferred financing costs are capitalized and are amortized over the life of the related debt agreements using the effective interest rate method, except the senior secured revolving loan facility which uses the straight line method.