Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Oct. 03, 2025	Sep. 27, 2024	Sep. 29, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 477.1	$ 596.0	$ 982.8
Other comprehensive income (loss), net of tax:
Fair value of investments	(0.1)	0.2	0.0
Pension adjustments	0.6	(0.2)	(0.8)
Comprehensive income	$ 477.6	$ 596.0	$ 982.0