Restructuring Expenses (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		$ 10,922	$ 7,945	$ 10,922	$ 12,358
Employee-related payments		10,200		10,200
Accrued expenses		$ 3,000		$ 3,000
Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 7,000