Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 27, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Excluding Goodwill

Intangible assets consist of the following (in millions):

		As of
	Weighted Average Amortization Period (Years)	December 27, 2024						September 27, 2024
		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed technology and other	6.3	$	1,363.9	$	(565.2)	$	798.7	$	1,379.6	$	(540.7)	$	838.9
Technology licenses	3.2	106.2		(56.3)		49.9		75.0		(48.8)		26.2
In-process research and development		35.4		—		35.4		35.4		—		35.4
Total intangible assets		$	1,505.5	$	(621.5)	$	884.0	$	1,490.0	$	(589.5)	$	900.5

Expected Annual Amortization Expense Related to Intangible Assets for the Next Five Years

Annual amortization expense for the next five fiscal years related to definite-lived intangible assets, excluding IPR&D, is expected to be as follows (in millions):

	Remaining 2025		2026		2027		2028		2029		Thereafter
Amortization expense	$	129.8	$	149.5	$	133.5	$	104.4	$	87.7	$	243.7