BALANCE SHEET DETAILS - Schedule of Short-term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jul. 01, 2017
Investment [Line Items]
Short-term investments	$ 124,433	$ 37,559
Commercial paper
Investment [Line Items]
Short-term investments	58,461	23,459
US Treasury securities
Investment [Line Items]
Short-term investments	55,833	4,006
Corporate bonds
Investment [Line Items]
Short-term investments	$ 10,139	$ 10,094