Restructuring Liabilities - Additional Information (Detail) (USD $)	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	Jul. 02, 2011
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	$ 17,708,000	$ 17,174,000	$ 7,418,000
Payment for restructuring liabilities	22,172,000	11,937,000	5,112,000
Accrued restructuring liability	2,843,000	7,266,000	2,306,000	215,000
Restructuring, acquisition and related costs	18,491,000	(7,631,000)	9,329,000
Adjustment to net book value for damaged inventory	0	0	4,246,000
External Consulting Charges
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges			3,900,000
Opnext
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	1,100,000	12,100,000
Payment for restructuring liabilities	2,200,000	8,000,000
Accrued restructuring liability	0
Impairment of certain technology	900,000	900,000
Adjustment to net book value for damaged inventory		400,000
Former Chief Executive Officer
Restructuring Cost and Reserve [Line Items]
Payment for restructuring liabilities	1,800,000	300,000
Restructuring, acquisition and related costs		2,200,000
Workforce Reductions | Opnext
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges		10,500,000
Lease Cancellations and Commitments | Opnext
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	100,000	300,000
2014 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	13,200,000
Payment for restructuring liabilities	8,500,000
Accrued restructuring liability	2,200,000
2014 Restructuring Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Additional restructuring costs	2,500,000
2014 Restructuring Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Additional restructuring costs	6,500,000
2014 Restructuring Plan | Workforce Reductions
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	8,500,000
2014 Restructuring Plan | Transferring Production In-house
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	2,900,000
2014 Restructuring Plan | Facility Lease Loss Liability
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	800,000
2014 Restructuring Plan | Fixed Assets Write-off
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	700,000
2014 Restructuring Plan | Lease Cancellations and Commitments
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	300,000
Shenzhen
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges	3,500,000	5,100,000	6,000,000
Payment for restructuring liabilities	7,100,000	2,700,000	3,900,000
Accrued restructuring liability	600,000
Shenzhen | Minimum
Restructuring Cost and Reserve [Line Items]
Additional restructuring costs	1,500,000
Shenzhen | Maximum
Restructuring Cost and Reserve [Line Items]
Additional restructuring costs	2,500,000
Earlier Restructuring Plans
Restructuring Cost and Reserve [Line Items]
Recorded restructuring charges			1,400,000
Payment for restructuring liabilities			$ 1,200,000