v3.5.0.2
Note 12 - Fair Value Measurements (Tables)
12 Months Ended
Jun. 30, 2016
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
 
 
Total
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
 
Balance
at
June
30,
2016
 
 
Balance
at
June
30,
2015
 
 
Balance
at
June
30,
2016
 
 
Balance
at
June
30,
2015
 
 
Balance
at
June
30,
2016
 
 
Balance
at
June
30,
2015
 
 
Balance
at
June
30,
2016
 
 
Balance
at
June
30,
2015
 
                                                                 
Fuel derivatives
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