BALANCE SHEET DETAILS - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
	Dec. 27, 2014	Dec. 26, 2015	Dec. 27, 2014	Jun. 27, 2015
Balance Sheet Components [Line Items]
Restricted cash and cash equivalents		$ 1,900,000
Assets under capital lease		3,800,000		$ 4,700,000
Expected amortization of intangible assets in fiscal year 2016		500,000
Expected amortization of intangible assets in fiscal year 2017		800,000
Expected amortization of intangible assets in fiscal year 2018		600,000
Expected amortization of intangible assets in fiscal year 2019		100,000
Restructuring charges		265,000	$ 200,000
Reversal of restructuring charges	$ 500,000
Payment for restructuring liabilities	300,000	400,000	1,800,000
Accrued restructuring liabilities		$ 264,000		$ 712,000
Common stock, shares authorized		275,000,000		175,000,000
Shenzhen
Balance Sheet Components [Line Items]
Payment for restructuring liabilities	800,000		2,100,000
Accrued restructuring liabilities		$ 0		$ 0
Revised Estimates for Certain Commitments
Balance Sheet Components [Line Items]
Reversal of restructuring charges	700,000
Workforce Reduction
Balance Sheet Components [Line Items]
Restructuring charges	200,000		300,000
Lease Cancellations and Commitments
Balance Sheet Components [Line Items]
Reversal of restructuring charges			100,000
Employee Separation Charges | Shenzhen
Balance Sheet Components [Line Items]
Restructuring charges	$ 800,000		$ 1,800,000
Other non-current assets
Balance Sheet Components [Line Items]
Restricted cash and cash equivalents included in other non-current assets		$ 200,000