Organization and Summary of Significant Accounting Policies - Investment in a Corporate Venture (Details) - USD ($)	3 Months Ended			9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2017	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Schedule of Equity Method Investments [Line Items]
Investment in equity investee	$ 0			$ 0		$ 1,701,000
Share of loss from equity investee, net of taxes	(1,057,000)	$ (359,000)		(1,066,000)	$ (3,572,000)
Other long-term liabilities	41,266,000			41,266,000		26,183,000
Equity method investment, other than temporary impairment	0	0		0	0
Corporate Venture
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage			30.00%
Investment in equity investee	0			0		1,700,000
Other long-term liabilities			$ 10,000,000.0
Amortization period of deferred gain			5 years
Equity method investment, summarized financial information, cost of sales	14,000,000.0	$ 13,700,000		51,500,000	$ 35,200,000
Equity method investment, summarized financial information, current assets	10,400,000			10,400,000		13,100,000
Investor in China | Corporate Venture
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage			70.00%
Accrued Liabilities | Corporate Venture
Schedule of Equity Method Investments [Line Items]
Equity method investment, unamortized deferred gain from sale	2,500,000			2,500,000		2,000,000.0
Long-Term Liabilities | Corporate Venture
Schedule of Equity Method Investments [Line Items]
Equity method investment, unamortized deferred gain from sale	$ 1,500,000			$ 1,500,000		$ 3,000,000.0