Summary of Significant Accounting Policies (Summary of Deferred Distributors Revenue) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Deferred Revenue Arrangement [Line Items]
Deferred distributors revenue	$ 104,341	$ 94,860
Deferred distributors revenue, net of cost of sales to distributors	43,525	26,817
Distributors
Deferred Revenue Arrangement [Line Items]
Deferred distributors revenue	55,335	35,138
Deferred cost of sales to distributors	(11,810)	(8,321)
Deferred distributors revenue, net of cost of sales to distributors	$ 43,525	$ 26,817