Employee Stock Plans - Summarizes Combined Activity of Equity Incentive Plans (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Awards Available For Grant
Beginning balance (in shares)	7,578	2,537	3,727
Assumed in acquisition (in shares)		6,307
Granted (in shares)	(5,166)	(3,419)	(1,513)
Exercised or released (in shares)	0	0	0
Cancelled or forfeited (in shares)	3,291	2,153	323
Ending balance (in shares)	5,703	7,578	2,537
Stock Options / SARs Outstanding
Beginning balance (in shares)	6,475	3,470	3,350
Assumed in acquisition (in shares)		4,423
Granted (in shares)	320	423	498
Exercised or released (in shares)	(155)	(6)	(45)
Cancelled or forfeited (in shares)	(2,484)	(1,835)	(333)
Ending balance (in shares)	4,156	6,475	3,470
Weighted- Average Exercise Price
Beginning balance (in usd per share)	$ 9.36	$ 7.84	$ 9.38
Assumed in acquisition (in usd per share)		$ 10.95
Granted (in usd per share)	$ 2.16	$ 2.57	$ 4.11
Exercised or released (in usd per share)	$ 1.03	$ 1.11	$ 2.10
Cancelled or forfeited (in usd per share)	$ 10.63	$ 8.84	$ 20.73
Ending balance (in usd per share)	$ 8.43	$ 9.36	$ 7.84
Restricted Stock Awards / Units Outstanding
Restricted Stock Awards / Units Outstanding
Beginning balance (in shares)	2,850	1,051	799
Assumed in acquisition (in shares)		55
Granted (in shares)	3,900	2,541	812
Exercised or released (in shares)	(1,592)	(457)	(331)
Cancelled or forfeited (in shares)	(885)	(340)	(229)
Ending balance (in shares)	4,273	2,850	1,051
Weighted- Average Grant Date Fair Value
Beginning balance (in usd per share)	$ 3.17	$ 5.76	$ 10.15
Assumed in acquisition (in usd per share)		$ 2.31
Granted (in usd per share)	$ 2.47	$ 2.53	$ 4.16
Exercised or released (in usd per share)	$ 2.77	$ 5.52	$ 9.20
Cancelled or forfeited (in usd per share)	$ 2.69	$ 3.80	$ 9.70
Ending balance (in usd per share)	$ 2.59	$ 3.17	$ 5.76