BALANCE SHEET DETAILS - Additional Information (Detail)	6 Months Ended				3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended		3 Months Ended			6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended		12 Months Ended	3 Months Ended		6 Months Ended
	Dec. 27, 2014 USD ($)	Jun. 28, 2014 USD ($)	Dec. 27, 2014 Minimum USD ($)	Dec. 27, 2014 Maximum USD ($)	Dec. 27, 2014 Shenzhen USD ($)	Dec. 28, 2013 Shenzhen USD ($)	Dec. 27, 2014 Shenzhen USD ($)	Dec. 28, 2013 Shenzhen USD ($)	Dec. 28, 2013 Opnext USD ($)	Dec. 28, 2013 Opnext USD ($)	Jun. 28, 2014 Opnext USD ($)	Dec. 27, 2014 Opnext USD ($)	Dec. 27, 2014 Employee Separation Charges USD ($)	Dec. 27, 2014 Employee Separation Charges Shenzhen USD ($)	Dec. 28, 2013 Employee Separation Charges Shenzhen USD ($)	Dec. 27, 2014 Employee Separation Charges Shenzhen USD ($)	Dec. 28, 2013 Employee Separation Charges Shenzhen USD ($)	Dec. 27, 2014 Revised Estimates for Certain Commitments USD ($)	Dec. 28, 2013 Workforce Reduction USD ($)	Dec. 27, 2014 Workforce Reduction USD ($)	Dec. 28, 2013 Workforce Reduction USD ($)	Dec. 28, 2013 Lease Cancellations and Commitments USD ($)	Dec. 27, 2014 Lease Cancellations and Commitments USD ($)	Dec. 28, 2013 Lease Cancellations and Commitments USD ($)	Jun. 28, 2014 Lease Cancellations and Commitments Opnext USD ($)	Dec. 27, 2014 Restructuring USD ($)	Dec. 28, 2013 Restructuring USD ($)	Dec. 27, 2014 Restructuring USD ($)	Dec. 28, 2013 Restructuring USD ($)	Dec. 27, 2014 Komoro Business USD ($)	Dec. 27, 2014 China Xi'an Raysung Photonics Inc. USD ($)	Dec. 27, 2014 China Xi'an Raysung Photonics Inc. CNY	Mar. 26, 2014 China Xi'an Raysung Photonics Inc. CNY	Dec. 27, 2014 Other non-current assets USD ($)
Balance Sheet Components [Line Items]
Restricted cash and cash equivalents	$ 4,600,000
Restricted cash and cash equivalents noncurrent																																		200,000
Cash held in foreign bank																															2,400,000	15,000,000	15,000,000
Inventory reclassified to held-for-sale																														(4,600,000)
Inventories	65,798,000	71,099,000
Property and equipment, net reclassified to held-for-sale																														(3,700,000)
Property and equipment, net	41,746,000	50,768,000
Sale of Komoro Business																														(4,449,000)
Assets under capital lease	6,300,000	9,900,000
Expected amortization of intangible assets in fiscal year 2015	900,000
Expected amortization of intangible assets in fiscal year 2016	800,000
Expected amortization of intangible assets in fiscal year 2017	800,000
Expected amortization of intangible assets in fiscal year 2018	700,000
Expected amortization of intangible assets in fiscal year 2019	100,000
Expected amortization of intangible assets, thereafter	100,000
Accrued expenses and other liabilities reclassified to held-for-sale																														(2,400,000)
Accrued expenses and other liabilities	38,185,000	51,492,000
Restructuring charges	2,007,000								100,000	1,100,000			200,000	800,000	900,000	1,800,000	1,900,000	700,000	5,400,000	300,000	5,600,000	300,000	100,000	300,000	100,000	500,000	5,700,000	200,000	5,800,000
Payment for restructuring liabilities	4,004,000				800,000	1,900,000	2,100,000	2,300,000	200,000	2,200,000																300,000	2,900,000	1,800,000	3,100,000
Accrued restructuring liabilities	846,000	2,843,000			300,000		300,000					0														500,000		500,000
Restructuring charges related to external consulting charges and professional fees											900,000
Additional restructuring costs			$ 2,000,000	$ 6,000,000