BALANCE SHEET DETAILS - Additional Information (Detail)	9 Months Ended				3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended		3 Months Ended		9 Months Ended				12 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended
	Mar. 28, 2015 USD ($)	Jun. 28, 2014 USD ($)	Mar. 28, 2015 Minimum USD ($)	Mar. 28, 2015 Maximum USD ($)	Mar. 28, 2015 Shenzhen USD ($)	Mar. 29, 2014 Shenzhen USD ($)	Mar. 28, 2015 Shenzhen USD ($)	Mar. 29, 2014 Shenzhen USD ($)	Mar. 29, 2014 Opnext USD ($)	Mar. 29, 2014 Opnext USD ($)	Jun. 28, 2014 Opnext USD ($)	Mar. 28, 2015 Opnext USD ($)	Mar. 28, 2015 Employee Separation Charges Shenzhen USD ($)	Mar. 29, 2014 Employee Separation Charges Shenzhen USD ($)	Mar. 28, 2015 Employee Separation Charges Shenzhen USD ($)	Mar. 29, 2014 Employee Separation Charges Shenzhen USD ($)	Mar. 28, 2015 Workforce Reduction USD ($)	Mar. 28, 2015 Lease Cancellations and Commitments USD ($)	Jun. 28, 2014 Lease Cancellations and Commitments Opnext USD ($)	Mar. 28, 2015 Restructuring USD ($)	Mar. 29, 2014 Restructuring USD ($)	Mar. 28, 2015 Restructuring USD ($)	Mar. 29, 2014 Restructuring USD ($)	Dec. 27, 2014 Komoro Business USD ($)	Mar. 28, 2015 Komoro Business USD ($)	Mar. 28, 2015 China Xi'an Raysung Photonics Inc. USD ($)	Mar. 28, 2015 China Xi'an Raysung Photonics Inc. CNY	Mar. 26, 2014 China Xi'an Raysung Photonics Inc. USD ($)	Mar. 26, 2014 China Xi'an Raysung Photonics Inc. CNY	Mar. 28, 2015 Other non-current assets USD ($)
Balance Sheet Components [Line Items]
Restricted cash and cash equivalents	$ 4,300,000
Restricted cash and cash equivalents noncurrent																														200,000
Cash held in foreign bank																										2,400,000	15,000,000	2,400,000	15,000,000
Inventory reclassified to held-for-sale																									4,600,000
Property and equipment, net reclassified to held-for-sale																									3,700,000
Assets under capital lease	5,600,000	9,900,000
Other intangible assets transferred	4,449,000																							4,400,000
Expected amortization of intangible assets in fiscal year 2015	1,000,000
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
Restructuring charges	4,264,000								0	1,100,000			800,000	900,000	2,600,000	2,700,000	1,800,000	100,000	100,000	1,500,000	2,200,000	1,700,000	8,000,000
Payment for restructuring liabilities	4,648,000				200,000	1,500,000	2,300,000	3,800,000	200,000	2,200,000										300,000	4,200,000	2,000,000	7,300,000
Accrued restructuring liabilities	2,459,000	2,843,000			700,000		700,000					0								1,700,000		1,700,000
Restructuring charges related to external consulting charges and professional fees											900,000
Additional restructuring costs			$ 3,000,000	$ 5,000,000