Fair Value Measurements - Fair Value Assets and Liabilities Measured Using Unobservable Inputs (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 28, 2024	Sep. 30, 2023	Sep. 24, 2022
Fair Value Disclosures [Abstract]
Beginning balance	$ 2.0	$ 23.4	$ 75.1
Contingent consideration recorded at acquisition	0.0	1.1	0.0
Fair value adjustments	1.7	(14.9)	(39.5)
Payments	(2.6)	(7.6)	(12.2)
Ending balance	$ 1.1	$ 2.0	$ 23.4

No definition available.

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- Definition

Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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- Definition

Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

+ Details

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

+ Details

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