Benefit Plans (Details Textuals) $ in Thousands	9 Months Ended
	Mar. 31, 2017 USD ($)
Pension Plans, Defined Benefit [Member]
Benefit Plans (Textuals) [Abstract]
Contribution to benefit plan	$ 600
Expected contribution to benefit plans for remainder of fiscal year	150
Retiree Health Care Benefits [Member]
Benefit Plans (Textuals) [Abstract]
Contribution to benefit plan	135
Expected contribution to benefit plans for remainder of fiscal year	$ 45