Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)	12 Months Ended					3 Months Ended		12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended					12 Months Ended		0 Months Ended							12 Months Ended		12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Jul. 02, 2011	Jun. 29, 2013 Japan, Yen	Jun. 29, 2013 Developed Technology	Jun. 29, 2013 Customer Relationships	Jun. 29, 2013 Customer Relationships	Jun. 29, 2013 Trademarks and Other	Jun. 29, 2013 Core and Current Technology	Jun. 29, 2013 Contract Backlog	Jul. 23, 2012 Opnext	Jun. 29, 2013 Opnext	Jul. 23, 2012 Opnext Developed Technology	Jul. 23, 2012 Opnext Contract Backlog	Jul. 23, 2012 Opnext Customer Relationships	Jul. 23, 2012 Opnext Trademarks and Other	Jul. 21, 2010 Mintera	Jun. 29, 2013 Mintera	Jul. 21, 2010 Mintera	Jul. 21, 2010 Mintera Customer Relationships	Jul. 21, 2010 Mintera Core and Current Technology	Jul. 21, 2010 Mintera Development and Supply Agreements	Jul. 21, 2010 Mintera Manufacturing Software	Jul. 21, 2010 Mintera Patent Portfolio	Jul. 21, 2010 Mintera Trade Names	Jul. 21, 2010 Mintera Contract Backlog	Jun. 29, 2013 Previous Acquisitions	Jun. 29, 2013 Zurich	Jun. 29, 2013 Zurich Discontinued Operations
Goodwill And Other Intangible Assets [Line Items]
Other intangible assets, carrying value																													$ 0
Amortization of other intangible assets	1,680,000	5,029,000	2,724,000																											300,000
Date of acquisition												Jul. 23, 2012						Jul. 21, 2010
Other intangible assets acquired		16,420,000						4,860,000		8,700,000		16,400,000		8,700,000	200,000	4,900,000	2,700,000	11,700,000			1,400,000	6,000,000	3,400,000	700,000	100,000	100,000	30,000
Estimated useful life of acquired tangible assets						6 years	11 years		6 years		1 year			6 years	1 year	11 years	6 years				8 years 6 months	6 years	7 years	6 years	5 years 6 months	1 year 6 months	1 year 6 months
Goodwill	0	0	10,904,000	10,904,000																10,900,000
Goodwill impairment		10,904,000
Impairment loss of intangibles													2,600,000						6,400,000									5,200,000
Impairment loss of goodwill and intangibles		900,000
Foreign currency depreciation rate					20.00%
Reduction in intangible assets acquired													$ 2,400,000