Benefit Plans Benefit Plans 1 (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Amounts recognized in the consolidated balance sheets:
Post-employment benefits	$ 21,322	$ 19,627
Pension Plan [Member]
Amounts recognized in the consolidated balance sheets:
Other current liabilities	741	5,256
Post-employment benefits	19,127	17,553
Net amount recognized	19,868	22,809
Amounts recognized in accumulated other comprehensive loss:
Net actuarial (loss) gain	(8,234)	(7,311)
Prior service cost	(121)	(208)
Total amounts recognized in accumulated other comprehensive loss	(8,355)	(7,519)
Postretirement Health Coverage [Member]
Amounts recognized in the consolidated balance sheets:
Other current liabilities	220	220
Post-employment benefits	2,015	1,924
Net amount recognized	2,235	2,144
Amounts recognized in accumulated other comprehensive loss:
Net actuarial (loss) gain	1,119	1,492
Prior service cost	948	1,219
Total amounts recognized in accumulated other comprehensive loss	$ 2,067	$ 2,711