Consolidated Statements Of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 27, 2013		Sep. 28, 2012		Sep. 30, 2011
Net revenue	$ 1,792.0		$ 1,568.6		$ 1,418.9
Cost of goods sold	1,025.4		901.5		798.6
Gross profit	766.6		667.1		620.3
Operating expenses:
Research and development	226.3		212.5		168.6
Selling, general and administrative	159.7		158.4		137.3
Amortization of intangibles	29.1		32.8		16.7
Restructuring and other charges	6.4		7.8		2.4
Total operating expenses	421.5		411.5		325.0
Operating income	345.1		255.6		295.3
Interest expense	0		(0.6)		(1.9)
Other (expense) income, net	(0.6)		(0.1)		0.5
Income before income taxes	344.5		254.9		293.9
Provision for income taxes	66.4		52.9		67.3
Net income	$ 278.1		$ 202.0		$ 226.6
Earnings per share:
Basic (in dollars per share)	$ 1.48	[1]	$ 1.09	[1]	$ 1.24
Diluted (in dollars per share)	$ 1.45	[1]	$ 1.05	[1]	$ 1.19
Weighted average shares:
Basic (in shares)	187.5		185.8		182.9
Diluted (in shares)	192.2		191.8		190.7

[1] Earnings per share calculations for each of the quarters are based on the weighted average number of shares outstanding and included common stock equivalents in each period. Therefore, the sums of the quarters do not necessarily equal the full year earnings per share.