Earnings Per Share (Schedule Of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Mar. 31, 2023	Dec. 30, 2022	Apr. 01, 2022	Dec. 31, 2021	Mar. 31, 2023	Apr. 01, 2022
Earnings Per Share [Abstract]
Net income	$ 232.8	$ 309.4	$ 305.8	$ 399.9	$ 542.2	$ 705.7
Weighted average shares outstanding - basic (shares)	159.1		163.7		159.5	164.4
Dilutive effect of equity based awards (shares)	0.8		0.7		0.6	1.0
Weighted average shares outstanding - diluted (shares)	159.9		164.4		160.1	165.4
Net income per share - basic (usd per share)	$ 1.46		$ 1.87		$ 3.40	$ 4.29
Net income per share - diluted (usd per share)	$ 1.46		$ 1.86		$ 3.39	$ 4.27
Anti-dilutive common stock equivalents (shares)	0.7		0.9		0.6	0.6