Accumulated Other Comprehensive Income (Loss) (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at June 30, 2015	$ 109
Other comprehensive income before reclassifications	(704)
Amounts reclassified from accumulated other comprehensive income (loss)	50
Net current period other comprehensive income (loss)	(654)
Balance at June 30, 2016	(545)
Pension and Postretirement Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at June 30, 2015	(1,214)
Other comprehensive income before reclassifications	(473)
Amounts reclassified from accumulated other comprehensive income (loss)	50
Net current period other comprehensive income (loss)	(423)
Balance at June 30, 2016	(1,637)
Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at June 30, 2015	1,323
Other comprehensive income before reclassifications	(231)
Amounts reclassified from accumulated other comprehensive income (loss)	0
Net current period other comprehensive income (loss)	(231)
Balance at June 30, 2016	$ 1,092