Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Sep. 28, 2014
Statement of Stockholders' Equity [Abstract]
Tax benefit from exercise of stock options/vesting of RSUs	$ 124.3	$ 131.3	$ 114.8
Tax benefit from sale of common stock	$ 0.2	$ 0.2	$ 0.2
Cash dividends declared per share	$ 0.850	$ 0.680	$ 0.550