Basis of Preparation and Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended				12 Months Ended				12 Months Ended												12 Months Ended		12 Months Ended
	Jun. 28, 2014 USD ($) week Customer Contract	Jun. 29, 2013 USD ($) week Customer Contract	Jun. 30, 2012 USD ($) week	Jul. 02, 2011 USD ($)	Jun. 28, 2014 Zurich USD ($)	Jun. 28, 2014 Customer Contracts	Jun. 28, 2014 Opnext USD ($)	Jun. 29, 2013 Opnext USD ($)	Jun. 28, 2014 Machinery USD ($)	Jun. 28, 2014 Minimum	Jun. 28, 2014 Minimum Stock Options	Jun. 28, 2014 Minimum Restricted Stock Awards	Jun. 28, 2014 Maximum	Jun. 28, 2014 Maximum Stock Options	Jun. 28, 2014 Maximum Restricted Stock Awards	Jun. 28, 2014 China Xi'an Raysung Photonics Inc. USD ($)	Jun. 28, 2014 China Xi'an Raysung Photonics Inc. CNY	Mar. 26, 2014 China Xi'an Raysung Photonics Inc. USD ($)	Mar. 26, 2014 China Xi'an Raysung Photonics Inc. CNY	Jun. 28, 2014 Foreign Subsidiaries USD ($)	Jun. 29, 2013 ClariPhy Communications, Inc. USD ($)	Jul. 03, 2010 ClariPhy Communications, Inc. USD ($)	Jun. 28, 2014 Flood-related (Income) Expense USD ($)
Business and Summary of Significant Accounting Policies [Line Items]
Cash and short term investments	$ 104,100,000
Cash and cash equivalents	98,973,000	84,635,000	61,760,000	62,783,000																74,700,000
Restricted cash	5,055,000	2,719,000
Short-term investments	95,000	200,000
Working capital	175,200,000
Impairment of goodwill, other intangible assets and long-lived assets	584,000	27,021,000	0						600,000														2,000,000
Operating cycle	52/53 week year ending on the Saturday closest to June 30
Fiscal year period	52	52	52
Collateral for performance of obligations under facility lease agreements	2,600,000
Cash																2,400,000	15,000,000	2,400,000	15,000,000
Number of major customers	3	3
Percentage of gross accounts receivable	42.00%	33.00%
Allowances for doubtful accounts		700,000	100,000
Sales returns and allowances netted against revenue	0	3,100,000	0
Estimated useful of assets										3 years			7 years
Depreciation expense on property and equipment	25,300,000	30,000,000	12,900,000
Assets under capital lease							9,900,000	18,200,000
Estimated useful life of acquired tangible assets						15 years				1 year			11 years 6 months
Proceeds from sale of investment in a privately held company																					3,900,000
Investments in privately-held companies																						7,500,000
Impairment charges on equity interest																					3,600,000
Number of foreign currency forward exchange contracts	0	0
Products warranty period from date of sale										12 months			36 months
Advance payments from insurer	3,663,000	30,797,000	10,989,000
Award expected term											7 years			10 years
Award vesting period											2 years	1 year		4 years	4 years
Income from discontinued operations related to release of cumulative translation adjustment					$ 3,100,000