Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 02, 2015		Oct. 03, 2014		Sep. 27, 2013
Income Statement [Abstract]
Net revenue	$ 3,258.4		$ 2,291.5		$ 1,792.0
Cost of goods sold	1,703.9		1,268.8		1,025.4
Gross profit	1,554.5		1,022.7		766.6
Operating expenses:
Research and development	303.2		252.2		226.3
Selling, general and administrative	191.3		179.1		159.7
Amortization of intangibles	33.5		25.9		29.1
Restructuring and other charges	3.4		0.3		6.4
Total operating expenses	531.4		457.5		421.5
Operating income	1,023.1		565.2		345.1
Other income (expense), net	0.5		0.0		(0.6)
Income before income taxes	1,023.6		565.2		344.5
Provision for income taxes	225.3		107.5		66.4
Net income	$ 798.3		$ 457.7		$ 278.1
Earnings per share:
Basic (in dollars per share)	$ 4.21	[1]	$ 2.44	[1]	$ 1.48
Diluted (in dollars per share)	$ 4.10	[1]	$ 2.38	[1]	$ 1.45
Weighted average shares:
Basic (in shares)	189.5		187.2		187.5
Diluted (in shares)	194.9		192.6		192.2
Cash dividends declared and paid per share (in dollars per share)	$ 0.65		$ 0.22		$ 0.00

[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.