Balance Sheet Components (Summary of Long-term Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Acquisition related deferred payments, less current portion	$ 13,251
Contingent consideration obligations, less current portion	4,898
Other contractual obligations, less current portion	31,200
Other	9,751	$ 8,526
Total other long-term liabilities	$ 59,100	$ 8,526