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[Line Items] for Schedule of Intangible Asset by Major Class

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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Goodwill and Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions		6 Months Ended		12 Months Ended
	Jun. 16, 2022	Dec. 30, 2022	Jun. 16, 2022	Dec. 31, 2021	Dec. 25, 2020	Sep. 14, 2022
Schedule of Intangible Asset by Major Class [Line Items]
Other Asset Impairment Charges		$ 0.0	$ 0.0	$ 154.9	$ 63.5
Intangible asset amortization		318.7	281.8	581.1	771.2
Amortizable:
Finite-lived intangible assets, gross	$ 2,918.9	3,041.2	2,918.9	10,601.8
Accumulated amortization		318.7		5,269.4
Non-Amortizable:
Indefinite-lived intangible assets, gross	233.3	121.3	233.3	116.0
Asset Impairment Charges		0.0	0.0	154.9	$ 63.5
Intangible Assets, Gross (Excluding Goodwill)	3,152.2		3,152.2
Trademarks
Non-Amortizable:
Indefinite-lived intangible assets, gross		0.0		35.0
In-process research and development
Non-Amortizable:
Indefinite-lived intangible assets, gross		121.3		81.0
Completed Technology
Amortizable:
Finite-lived intangible assets, gross		3,041.2		10,404.0
Accumulated amortization		318.7		5,160.4
Licensing Agreements
Amortizable:
Finite-lived intangible assets, gross		0.0		120.1
Accumulated amortization		0.0		82.1
Trademarks
Amortizable:
Finite-lived intangible assets, gross		0.0		77.7
Accumulated amortization		$ 0.0		$ 26.9
Acthar Gel (1)
Amortizable:
Finite-lived intangible assets, gross	$ 1,069.0		$ 1,069.0
Non-Amortizable:
Finite-lived intangible assets - useful lives	13 years 6 months
Acthar Gel (1) \| Finite-Lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	14.20%		14.20%
Therakos
Amortizable:
Finite-lived intangible assets, gross	$ 913.8		$ 913.8
Non-Amortizable:
Finite-lived intangible assets - useful lives	10 years
Therakos \| Finite-Lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	14.00%		14.00%
Amitiza
Amortizable:
Finite-lived intangible assets, gross	$ 84.5		$ 84.5
Non-Amortizable:
Finite-lived intangible assets - useful lives	3 years
Amitiza \| Finite-Lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	14.00%		14.00%
Inomax
Amortizable:
Finite-lived intangible assets, gross	$ 652.9		$ 652.9
Non-Amortizable:
Finite-lived intangible assets - useful lives	9 years
Inomax \| Finite-Lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	14.00%		14.00%
StrataGraft [Member]
Amortizable:
Finite-lived intangible assets, gross	$ 56.8		$ 56.8
Non-Amortizable:
Finite-lived intangible assets - useful lives	11 years
StrataGraft [Member] \| Finite-Lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	14.00%		14.00%
Generics
Amortizable:
Finite-lived intangible assets, gross	$ 71.4		$ 71.4
Non-Amortizable:
Finite-lived intangible assets - useful lives	5 years
Generics \| Finite-Lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	13.30%		13.30%
APAP
Amortizable:
Finite-lived intangible assets, gross	$ 70.5		$ 70.5
Non-Amortizable:
Finite-lived intangible assets - useful lives	20 years 6 months
APAP \| Finite-Lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	13.00%		13.00%
Terlipressin [Member]
Non-Amortizable:
Indefinite-lived intangible assets, gross	$ 104.8		$ 104.8			$ 104.8
Terlipressin [Member] \| Indefinite-lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	15.00%		15.00%
Generics IPR&D
Non-Amortizable:
Indefinite-lived intangible assets, gross	$ 128.5		$ 128.5
Generics IPR&D \| Indefinite-lived Intangible Assets
Non-Amortizable:
Discount Rate, Present Value of Future Cash Flows	14.00%		14.00%
Terlivaz
Non-Amortizable:
Finite-lived intangible assets - useful lives	7 years
Terlivaz \| Completed Technology
Amortizable:
Finite-lived intangible assets, gross						$ 17.5