Employee Benefit Plans (Detail Textuals) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contribution to pension plan during fiscal year	$ 5,851
Amortization of unrecognized net actuarial (gain) loss and prior service cost during 2017	$ 2,862
Cash and cash equivalents fair value assumptions input (in dollars per share)	$ 1
Other liabilities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accumulated benefit obligation	$ 68,403	$ 56,904