NET INCOME (LOSS) PER SHARE - Schedule of Potentially Dilutive Securities Excluded from EPS Calculations (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Dec. 23, 2018	Dec. 24, 2017	Dec. 23, 2018	Dec. 24, 2017
Options and RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of potentially dilutive securities (shares)	227	7	890	20
Employee stock plans
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of potentially dilutive securities (shares)	0	2,757	0	0
Convertible notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of potentially dilutive securities (shares)	0	15,423	0	0
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of potentially dilutive securities (shares)	0	4,721	0	0