v3.4.0.3
Note 8 - Fair Value Measurements (Tables)
9 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
 
 
 
 
 
 
 
 
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
 
Balance
at
March
31,
2016
 
 
Balance
at
June
30,
2015
 
 
Balance
at
March
31,
2016
 
 
Balance
at
June
30,
2015
 
 
Balance
at
March
31,
2016
 
 
Balance
at
June
30,
2015
 
 
Balance
at
March
31,
2016
 
 
Balance
at
June
30,
2015
 
Fuel derivatives
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