Condensed Consolidated Statement of Operations and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Net Sales	$ 259,195	$ 216,722	$ 749,421	$ 608,563
Cost of sales	114,602	93,091	347,224	297,267
Gross profit	144,593	123,631	402,197	311,296
Operating expenses:
Selling, general and administrative	51,535	48,396	158,222	138,302
Research and development	43,950	29,559	125,739	81,712
Amortization of intangible assets	26,049	16,766	77,383	44,783
Restructuring and severance charges	1,739	651	9,083	20,271
Total operating expenses	123,273	95,372	370,427	285,068
Operating income	21,320	28,259	31,770	26,228
Other income (expense), net:
Interest expense, net	(8,918)	(4,187)	(30,951)	(12,083)
Other income (expense), net	(115)	4,720	(33,554)	(14,232)
Total other income (expense), net	(9,033)	533	(64,505)	(26,315)
Income (loss) before income taxes	12,287	28,792	(32,735)	(87)
Provision (benefit) for income taxes	4,161	(3,986)	8,533	(12,441)
NET INCOME (LOSS)	8,126	32,778	(41,268)	12,354
Earnings (loss) per share:
Basic	$ 0.09	$ 0.39	$ (0.48)	$ 0.15
Diluted	$ 0.09	$ 0.38	$ (0.48)	$ 0.15
Common and common equivalent shares outstanding:
Basic	86,000	84,263	85,652	82,317
Diluted	87,941	86,208	85,652	84,297
NET INCOME (LOSS)	8,126	32,778	(41,268)	12,354
Translation adjustment, net of tax	(416)	228	(531)	713
COMPREHENSIVE INCOME (LOSS)	$ 7,710	$ 33,006	$ (41,799)	$ 13,067