Benefit Plans (Details Textuals) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2015
Pension Plans, Defined Benefit [Member]
Benefit Plans (Textuals) [Abstract]
Contribution to benefit plan	$ 6,129
Expected contribution to benefit plans for remainder of fiscal year	200
Retiree Health Care Benefits [Member]
Benefit Plans (Textuals) [Abstract]
Contribution to benefit plan	120
Expected contribution to benefit plans for remainder of fiscal year	$ 40