Goodwill and Intangible Assets (Summary of Amortization Expense of Intangibles) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Goodwill And Intangible Assets Disclosure [Abstract]
Type of Cost, Good or Service [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember
Amortization in “Cost of revenues: Product”	$ 16,870	$ 7,020	$ 15,369
Amortization of intangibles	8,715	8,702	17,001
Total amortization	$ 25,585	$ 15,722	$ 32,370