CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 29, 2013	Dec. 23, 2012	Dec. 29, 2013	Dec. 23, 2012
Income Statement [Abstract]
Revenues	$ 269,965	$ 223,822	$ 539,715	$ 476,314
Cost of sales	172,000	174,733	346,439	356,684
Gross profit	97,965	49,089	193,276	119,630
Selling, general and administrative expense	44,727	45,083	88,477	92,378
Research and development expense	32,786	32,125	64,959	65,574
Amortization of acquisition-related intangible assets	1,630	1,680	3,260	3,360
Asset impairment, restructuring and other charges	1,015	4,941	2,417	13,907
Operating income (loss)	17,807	(34,740)	34,163	(55,589)
Other expense, net	1,510	411	2,272	1,419
Interest expense (income), net	7	(8)	6	(40)
Income (loss) before income taxes	16,290	(35,143)	31,885	(56,968)
Provision for (benefit from) income taxes	(1,631)	(2,421)	5,241	4,529
Net income (loss)	$ 17,921	$ (32,722)	$ 26,644	$ (61,497)
Net income (loss) per common share [Abstract]
Basic	$ 0.25	$ (0.47)	$ 0.38	$ (0.89)
Diluted	$ 0.25	$ (0.47)	$ 0.37	$ (0.89)
Weighted average common shares outstanding [Abstract]
Basic	71,147	69,144	70,988	69,213
Diluted	72,163	69,144	71,885	69,213