Postretirement Benefits (Narrative) (Details) - Postretirement Benefits [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit (income) cost	$ 107	$ (32)	$ 117
Estimated employer contributions to postretirement benefit plans in next fiscal year	$ 200
Discontinued Operations [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit (income) cost		$ (100)