Goodwill and Intangible Assets - Other Intangible Assets, Net (Details) - USD ($) $ in Millions	Dec. 29, 2024	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Acquired product rights	$ 863.9	$ 1,763.8
Licensed rights of entertainment properties	0.0	45.0
Impairment	0.0	(116.0)
Accumulated amortization	(421.2)	(1,181.0)
Amortizable intangible assets	442.7	511.8
Product rights with indefinite lives	75.7	75.7
Total other intangibles assets, net	$ 518.4	$ 587.5

Finite-Lived Intangible Assets, Accumulated Impairment

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
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-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Gross carrying amount as of the balance sheet date of certain rights acquired to exercise a certain privilege or pursue a particular business or occupation and which is deemed to have a finite economic life.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a specified period of time.

+ References

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- References

No definition available.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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