Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Mar. 29, 2024	Dec. 29, 2023	Mar. 31, 2023	Dec. 30, 2022	Mar. 29, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income	$ 183.3	$ 231.3	$ 232.8	$ 309.4	$ 414.6	$ 542.2
Weighted average shares outstanding - basic (in shares)	160.4		159.1		160.1	159.5
Dilutive effect of equity-based awards (in shares)	1.0		0.8		1.2	0.6
Weighted average shares outstanding - diluted (in shares)	161.4		159.9		161.3	160.1
Net income per share - basic (in dollars per share)	$ 1.14		$ 1.46		$ 2.59	$ 3.40
Net income per share - diluted (in dollars per share)	$ 1.14		$ 1.46		$ 2.57	$ 3.39
Anti-dilutive common stock equivalents (in shares)	0.3		0.7		0.0	0.6