Basis of Preparation and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands	12 Months Ended
	Jul. 02, 2016 USD ($) customer Contract	Jun. 27, 2015 USD ($) customer Contract	Jun. 28, 2014 USD ($)	Jun. 29, 2013 USD ($)
Business and Summary of Significant Accounting Policies [Line Items]
Cash and short term investments	$ 96,600
Cash and cash equivalents	95,929	$ 111,840	$ 98,973	$ 84,635
Restricted cash	715	3,275
Working capital	180,400
Impairment of goodwill, other intangible assets and long-lived assets	$ 0	$ 0	$ 584
Operating cycle	52/53 week year ending on the Saturday closest to June 30
Fiscal year period	365 days	365 days	365 days
Other non-current assets	$ 2,331	$ 2,521
Allowances for doubtful accounts	0	41	$ 38
Depreciation expense on property and equipment	15,800	17,500	25,300
Loss on foreign currency transactions	$ 2,362	$ 2,144	1,158
Number of foreign currency forward exchange contracts | Contract	0	0
Advance payments from insurer			3,700
Foreign Currency Forward Exchange
Business and Summary of Significant Accounting Policies [Line Items]
Loss on foreign currency transactions	$ 300	$ 700
Customer Contracts
Business and Summary of Significant Accounting Policies [Line Items]
Estimated useful life of acquired tangible assets	15 years
Machinery
Business and Summary of Significant Accounting Policies [Line Items]
Impairment of goodwill, other intangible assets and long-lived assets			600
Opnext
Business and Summary of Significant Accounting Policies [Line Items]
Assets under capital lease	$ 5,900	4,700
Minimum
Business and Summary of Significant Accounting Policies [Line Items]
Estimated useful of assets	3 years
Estimated useful life of acquired tangible assets	1 year
Products warranty period from date of sale	12 months
Minimum | Stock Options
Business and Summary of Significant Accounting Policies [Line Items]
Award expected term	7 years
Award vesting period	2 years
Minimum | Restricted Stock Awards
Business and Summary of Significant Accounting Policies [Line Items]
Award vesting period	1 year
Maximum
Business and Summary of Significant Accounting Policies [Line Items]
Estimated useful of assets	7 years
Estimated useful life of acquired tangible assets	11 years
Products warranty period from date of sale	36 months
Maximum | Stock Options
Business and Summary of Significant Accounting Policies [Line Items]
Award expected term	10 years
Award vesting period	4 years
Maximum | Restricted Stock Awards
Business and Summary of Significant Accounting Policies [Line Items]
Award vesting period	4 years
China | Xi'an Raysung Photonics Inc.
Business and Summary of Significant Accounting Policies [Line Items]
Restricted cash	$ 1,100
Other non-current assets	400
Foreign Subsidiaries
Business and Summary of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 42,300
Cost of Goods Sold
Business and Summary of Significant Accounting Policies [Line Items]
Impairment of goodwill, other intangible assets and long-lived assets		$ 2,000
Flood-related (Income) Expense
Business and Summary of Significant Accounting Policies [Line Items]
Impairment of goodwill, other intangible assets and long-lived assets			$ 2,000
Customer Concentration Risk | Accounts Receivable
Business and Summary of Significant Accounting Policies [Line Items]
Number of major customers | customer	4	4
Percentage of gross accounts receivable	63.00%	59.00%