Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Net Periodic Benefit Cost
Interest cost	$ 24	$ 33	$ 48	$ 68
Expected return on plan assets	(5)	(15)	(11)	(31)
Recognized actuarial loss	12	10	25	21
Net periodic benefit cost	$ 31	$ 28	$ 62	$ 58