Commitments And Contingencies (Narrative) (Details) € in Thousands, $ in Thousands	1 Months Ended		3 Months Ended				9 Months Ended	45 Months Ended
	Jan. 31, 2018 USD ($)	Jul. 31, 2017 USD ($) item	Mar. 31, 2018 CAD ($)	Mar. 31, 2018 USD ($)	Jun. 30, 2016 EUR (€)	Jun. 30, 2016 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2018 EUR (€)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2015 EUR (€)	Jun. 30, 2015 USD ($)
Loss Contingencies [Line Items]
Damages paid								€ 677	$ 810,000
Preliminary tax assessment			$ 1,266	$ 982,000
Employment And Withholding Concerns [Member]
Loss Contingencies [Line Items]
Accrual related to settlement											€ 486	$ 582,000
Increase in settlement expense					€ 227	$ 272,000
3CEMS [Member]
Loss Contingencies [Line Items]
Accrual related to settlement				$ 250,000			$ 250,000		$ 250,000
3CEMS [Member] | Loss on Purchase Commitment [Member]
Loss Contingencies [Line Items]
Accrual related to settlement		$ 1,000,000
Number of payments | item		4
Installment amount		$ 250,000
Payment period		10 months
Trade Secrets Case [Member]
Loss Contingencies [Line Items]
Accrual related to settlement										$ 675,000
Judgment awarded	$ 675,000
Minimum [Member] | Employment And Withholding Concerns [Member]
Loss Contingencies [Line Items]
Potential financial liability | €											486
Minimum [Member] | 3CEMS [Member] | Loss on Purchase Commitment [Member]
Loss Contingencies [Line Items]
Damages sought							$ 4,000,000
Maximum [Member] | Employment And Withholding Concerns [Member]
Loss Contingencies [Line Items]
Potential financial liability | €											€ 1,000