Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Net Periodic Benefit Cost
Service cost	$ 0	$ 0
Interest cost	24	35
Expected return on plan assets	(5)	(16)
Recognized actuarial loss	12	11
Net periodic benefit cost	$ 31	$ 30