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Defined Contribution Plans (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]      
Defined contribution plan eligibility minimum days worked 30 days    
Defined contribution plan, costs $ 1,236 $ 1,090 $ 586