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Note 10 - Comprehensive Income (Tables)
9 Months Ended
Mar. 31, 2012
Schedule of Comprehensive Income (Loss) [Table Text Block]
  
 
Three Months Ended
March 31
   
Nine Months Ended
March 31
 
   
2012
   
2011
   
2012
   
2011
 
Net income
  $ 25,845     $ 28,693     $ 61,513     $ 110,171  
Foreign currency translation adjustments – net
    (6,912 )     8,406       (19,983 )     21,307  
Unrealized gains (losses) on hedging activities - net
    -       -       -       (258 )
Comprehensive income, net of tax
  $ 18,933     $ 37,099     $ 41,530     $ 131,220  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   
Hedging Activities
   
Foreign Currency Translation
   
Post-Employment Healthcare
   
Accumulated Other Comprehensive Income
 
Balance at June 30, 2011
  $ (253 )   $ 60,918     $ (3,662 )   $ 57,003  
Changes in value
    -       (19,983 )     -       (19,983 )
Reclassification into earnings
    -       -       -       -  
Balance at March 31, 2012
  $ (253 )   $ 40,935     $ (3,662 )   $ 37,020