Balance Sheet Accounts (Summary of Long-term Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Acquisition related deferred payments, less current portion	$ 10,526	$ 13,251
Contingent consideration obligations, less current portion	3,025	4,898
Other contractual obligations, less current portion	28,093	31,200
Other	16,045	9,751
Total other long-term liabilities	$ 57,689	$ 59,100