Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Income Tax Disclosure [Line Items]
Tax liability for withholding taxes	$ 95	$ 95
Decrease in valuation allowance	(60,000)	(44,700)	$ (16,600)
Unrecognized tax benefits	3,515	3,779	$ 4,058	$ 4,164
Operating loss carryforwards	917,868
Unrecognized tax benefits that would affect the effective tax rate	2,900
Decrease in unrecognized tax benefits	1,300
Accrued interest and penalties accrued related to unrecognized tax benefits	700	$ 700
Investment Tax Credit Carryforward | Italy
Income Tax Disclosure [Line Items]
Foreign tax credit	100
United Kingdom
Income Tax Disclosure [Line Items]
Operating loss carryforwards	468,436
Research and development credits	600
United States
Income Tax Disclosure [Line Items]
Operating loss carryforwards	236,633
Research and development credits	100
California
Income Tax Disclosure [Line Items]
Operating loss carryforwards	166,527
Research and development credits	1,000
Japan
Income Tax Disclosure [Line Items]
Operating loss carryforwards	44,898
Other Foreign
Income Tax Disclosure [Line Items]
Operating loss carryforwards	1,374
Canada
Income Tax Disclosure [Line Items]
Research and development credits	2,000
Federal and State
Income Tax Disclosure [Line Items]
Unrecognized tax benefits	18,100
Other Foreign
Income Tax Disclosure [Line Items]
Foreign tax credit	$ 3,100