UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Dec. 25, 2011		Dec. 26, 2010		Dec. 25, 2011		Dec. 26, 2010
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Revenues	$ 230,078		$ 281,744		$ 532,819		$ 562,611
Cost of sales	148,659		160,733		336,562		332,776
Gross profit	81,419		121,011		196,257		229,835
Selling, general and administrative expense	50,558		46,617		99,549		94,927
Research and development expense	32,227		28,544		65,255		56,104
Amortization of acquisition-related intangible assets	1,939		1,242		4,554		2,461
Asset impairment, restructuring and other charges	0		(4)		0		130
Operating income (loss)	(3,305)		44,612		26,899		76,213
Other expense, net	1,956		1,708		4,159		3,020
Interest income, net	(31)		(4,152)		(240)		(5,561)
Income (loss) before income taxes	(5,230)		47,056		22,980		78,754
Provision for income taxes	1,107		3,127		7,354		1,327
Net income (loss)	$ (6,337)		$ 43,929		$ 15,626		$ 77,427
Net income (loss) per common share-basic (in dollars per share)	$ (0.09)	[1]	$ 0.62	[1]	$ 0.22	[1]	$ 1.09	[1]
Net income (loss) per common share-diluted (in dollars per share)	$ (0.09)	[1]	$ 0.62	[1]	$ 0.22	[1]	$ 1.08	[1]
Average common shares outstanding-basic (in shares)	69,046		69,587		69,408		69,878
Average common shares and potentially dilutive shares outstanding-diluted (in shares)	69,046		70,235		69,883		70,376

[1] Net income per common share is computed using the two-class method. See Note 14, "Net Income Per Common Share".