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Deferred Charges And Credits (Details)
9 Months Ended
Mar. 31, 2015
Minimum [Member]  
Schedule of Deferred Charges and Credits [Line Items]  
Deferred charges and credits amortization, period 6 years
Maximum [Member]  
Schedule of Deferred Charges and Credits [Line Items]  
Deferred charges and credits amortization, period 15 years