CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Jun. 30, 2013		Mar. 24, 2013		Dec. 23, 2012		Sep. 23, 2012		Jun. 24, 2012		Mar. 25, 2012		Dec. 25, 2011		Sep. 25, 2011		Jun. 30, 2013		Jun. 24, 2012		Jun. 26, 2011
Income Statement [Abstract]
Revenues	$ 276,453		$ 224,268		$ 223,822		$ 252,492		$ 269,675		$ 248,094		$ 230,078		$ 302,741		$ 977,035		$ 1,050,588		$ 1,176,577
Cost of sales	193,386		169,860		174,733		181,951		199,871		174,132		148,659		187,903		719,930		710,565		711,685
Gross profit	83,067		54,408		49,089		70,541		69,804		73,962		81,419		114,838		257,105		340,023		464,892
Selling, general and administrative expense	46,348		43,020		45,083		47,295		51,284		49,578		50,558		48,991		181,746		200,411		193,748
Research and development expense	32,643		28,876		32,125		33,449		35,052		34,798		32,227		33,028		127,093		135,105		119,339
Impairment of goodwill									69,421		0		0		0		0		69,421		0
Amortization of acquisition-related intangible assets	1,630		1,663		1,680		1,680		1,718		2,097		1,939		2,615		6,653		8,369		6,768
Asset impairment, restructuring and other charges (recoveries)	2,209		880		4,941		8,966										16,996		0		(3,359)
Gain on disposition of property									0		(5,410)		0		0		0		(5,410)		0
Operating income (loss)	237		(20,031)		(34,740)		(20,849)		(87,671)		(7,101)		(3,305)		30,204		(75,383)		(67,873)		148,396
Other expense, net	421		(450)		411		1,008		154		(46)		1,956		2,203		1,390		4,267		718
Interest expense (income), net	33		64		(8)		(32)		(46)		(47)		(31)		(209)		57		(333)		(10,114)
Income (loss) before income taxes	(217)		(19,645)		(35,143)		(21,825)		(87,779)		(7,008)		(5,230)		28,210		(76,830)		(71,807)		157,792
Provision for (benefit from) income taxes	5,861		1,600		(2,421)		6,950		(19,593)		(4,518)		1,107		6,247		11,990		(16,757)		(8,754)
Net income (loss)	$ (6,078)		$ (21,245)		$ (32,722)		$ (28,775)		$ (68,186)		$ (2,490)		$ (6,337)		$ 21,963		$ (88,820)		$ (55,050)		$ 166,546
Basic [Abstract]
Net income (loss) per common share-basic (in dollars per share)	$ (0.09)	[1]	$ (0.31)	[1]	$ 0	[1]	$ 0	[1]	$ (0.99)	[1]	$ (0.04)	[1]	$ (0.09)	[1]	$ 0.31	[1]	$ (1.28)	[1]	$ (0.79)	[1]	$ 2.35	[1]
Diluted [Abstract]
Net income (loss) per common share-diluted (in dollars per share)	$ (0.09)	[1]	$ (0.31)	[1]	$ 0	[1]	$ 0	[1]	$ (0.99)	[1]	$ (0.04)	[1]	$ (0.09)	[1]	$ 0.31	[1]	$ (1.28)	[1]	$ (0.79)	[1]	$ 2.33	[1]
Average common shares outstanding-basic	69,785		69,273		69,144		69,283		69,157		69,104		69,046		69,768		69,385		69,270		69,858
Average common shares and potentially dilutive securities outstanding-diluted	69,785		69,273		69,144		69,283		69,157		69,104		69,046		70,285		69,385		69,270		70,523

[1] Net income (loss) per common share is computed using the two-class method. See Note 10, “Net Income Per Common Share”.