Employee Stock Plans - Summarizes Combined Activity of Equity Incentive Plans (Detail) - $ / shares shares in Thousands	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Awards Available For Grant
Beginning balance (in shares)	12,824	8,921	5,703
Increase in share reserve (in shares)	6,000	8,000	6,000
Granted (in shares)	(5,660)	(5,496)	(4,279)
Exercised or released (in shares)	163	0	0
Cancelled or forfeited (in shares)	254	1,399	1,497
Ending balance (in shares)	13,581	12,824	8,921
Stock Options / SARs Outstanding
Beginning balance (in shares)	2,975	3,381	4,156
Granted (in shares)	0	0	164
Exercised or released (in shares)	(1,029)	(110)	(25)
Cancelled or forfeited (in shares)	(88)	(296)	(914)
Ending balance (in shares)	1,858	2,975	3,381
Weighted- Average Exercise Price
Beginning balance (in usd per share)	$ 7.03	$ 7.07	$ 8.43
Granted (in usd per share)	0.00	0.00	1.79
Exercised or released (in usd per share)	4.85	2.40	1.70
Cancelled or forfeited (in usd per share)	15.36	9.29	12.64
Ending balance (in usd per share)	$ 7.84	$ 7.03	$ 7.07
Restricted stock awards and units
Restricted Stock Awards / Units Outstanding
Beginning balance (in shares)	5,022	4,545	4,273
Granted (in shares)	4,043	3,926	3,215
Exercised or released (in shares)	(3,257)	(2,897)	(2,490)
Cancelled or forfeited (in shares)	(121)	(552)	(453)
Ending balance (in shares)	5,687	5,022	4,545
Weighted- Average Grant Date Fair Value
Beginning balance (in usd per share)	$ 2.67	$ 1.80	$ 2.59
Granted (in usd per share)	6.53	2.92	1.49
Exercised or released (in usd per share)	2.57	2.13	2.63
Cancelled or forfeited (in usd per share)	4.76	1.87	2.70
Ending balance (in usd per share)	$ 5.43	$ 2.67	$ 1.80