Long-Term Prepaid Insurance (Details)	12 Months Ended
	Jun. 30, 2016
Minimum
Amortization of Premiums and Fees Paid [Line Items]
Amortization of Premiums and Fees Paid For Insurance Policies (in years)	5 years
Maximum
Amortization of Premiums and Fees Paid [Line Items]
Amortization of Premiums and Fees Paid For Insurance Policies (in years)	32 years