Restructuring Expenses (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 18,432	$ 12,358	$ 6,914
Global Strategic Workforce Planning Review [Member] | Paris [Member]
Restructuring Cost and Reserve [Line Items]
Employee related costs	$ 1,500
Reorganization Of Global Research And Development Activities [Member] | German And Paris [Member]
Restructuring Cost and Reserve [Line Items]
Employee related costs		$ 6,500