(Schedule Of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016
Earnings Per Share [Abstract]
Net income	$ 224.9	$ 208.1	$ 482.7	$ 563.4
Weighted average shares outstanding - basic (shares)	184.8	190.2	184.8	190.3
Dilutive effect of equity based awards (shares)	2.3	3.1	2.4	3.7
Weighted average shares outstanding - diluted (shares)	187.1	193.3	187.2	194.0
Net income per share - basic (usd per share)	$ 1.22	$ 1.09	$ 2.61	$ 2.96
Net income per share - diluted (usd per share)	$ 1.20	$ 1.08	$ 2.58	$ 2.90
Anti-dilutive common stock equivalents (shares)	1.0	2.1	1.2	1.4

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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