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Related Party Transactions (Tables)
 12 Months Ended
Jun. 30, 2015
O V S [Member]  
Related Party Transaction [Line Items]  
Revenue and Expense Transactions Recognized

The following table represents the revenue and expense transactions the Company recorded with OVS (in millions):

 

 

 

Year Ended June 30,

 

 

 

2015

 

 

2014

 

 

2013

 

Revenues

 

$

6.9

 

 

$

7.0

 

 

 

6.6

 

Operating costs

 

$

1.0

 

 

$

1.6

 

 

 

1.5