Financial Instruments Measured at Fair Value (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Assets:
Cash equivalents	$ 99	$ 21,800
Forward foreign currency contracts	365	99
Available for sale securities	692	882
Assets total	1,156	22,781
Liabilities:
Forward foreign currency contracts	27	53
Contingent consideration	1,909	2,656	$ 3,553
Total	1,936	2,709
Quoted prices in active markets (Level 1)
Assets:
Cash equivalents	99	21,800
Forward foreign currency contracts	0	0
Available for sale securities	692	882
Assets total	791	22,682
Liabilities:
Forward foreign currency contracts	0	0
Contingent consideration	0	0
Total	0	0
Significant other observable inputs (Level 2)
Assets:
Cash equivalents	0	0
Forward foreign currency contracts	365	99
Available for sale securities	0	0
Assets total	365	99
Liabilities:
Forward foreign currency contracts	27	53
Contingent consideration	0	0
Total	27	53
Significant unobservable inputs (Level 3)
Assets:
Cash equivalents	0	0
Forward foreign currency contracts	0	0
Available for sale securities	0	0
Assets total	0	0
Liabilities:
Forward foreign currency contracts	0	0
Contingent consideration	1,909	2,656
Total	$ 1,909	$ 2,656