Segment Data (Schedule of Segment Reporting Information by Business Segment) (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended				6 Months Ended
	Jul. 01, 2022		Jun. 30, 2023		Jun. 16, 2022		Jun. 30, 2023		Jun. 16, 2022
Net sales	$ 85.0		$ 475.0		$ 383.7		$ 899.6		$ 874.6
Operating Income (Loss)	(54.8)		(56.6)		(37.0)		(159.2)		(57.8)
Depreciation and amortization	(45.5)		(129.3)		(126.7)		(262.5)		(281.8)
Employee Benefits and Share-based Compensation	0.0		(2.7)		(0.5)		(5.3)		(1.7)
Restructuring and related charges, net	(1.1)						(1.7)		(9.6)
Specialty Generics
Net sales	26.8		194.9		136.0		367.5		287.5
Restructuring and related charges, net	0.0						0.0		(3.5)
Corporate, Non-Segment
Corporate and unallocated expenses	(0.9)	[1]	0.6	[2]	(15.4)	[2]	(13.4)	[1]	(48.2)	[1]
Depreciation and amortization	(48.4)		(141.1)		(144.6)		(286.2)		(321.8)
Restructuring and related charges, net	(1.1)		0.2		(2.8)		(1.0)		(9.6)
Separation Costs	(9.2)	[3],[4]	(10.3)	[4]	(7.0)	[4]	(15.2)	[3]	(9.0)	[3]
Operating Segments
Operating Income (Loss)	4.8		96.7		133.3		161.9		332.5
Operating Segments | Specialty Brands
Net sales	58.2		280.1		247.7		532.1		587.1
Operating Income (Loss)	4.5		61.6		102.4		94.0		267.2
Operating Segments | Specialty Generics
Net sales	26.8		194.9		136.0		367.5		287.5
Operating Income (Loss)	$ 0.3		$ 35.1		$ 30.9		$ 67.9		$ 65.3

[1] Includes administration expenses and certain compensation, legal, environmental and other costs not charged to the Company's reportable segments.

[2] Includes administration expenses and certain compensation, legal, environmental and other costs not charged to the Company's reportable segments.

[3] Represents costs included in SG&A expenses, primarily related to professional fees incurred by the Company (including where the Company is responsible for the fees of third parties) in connection with its ongoing evaluation of its financial situation and related discussions with its stakeholders, expenses incurred related to the Predecessor directors' and officers' insurance policy and severance for the former CEO of the Predecessor, in addition to professional fees and costs incurred as the Company explores potential sales of non-core assets to enable further deleveraging post-emergence.

[4] Represents costs included in selling, general and administrative ("SG&A") expenses, primarily related to professional fees incurred by the Company (including where the Company is responsible for the fees of third parties) in connection with its ongoing evaluation of its financial situation and related discussions with its stakeholders, expenses incurred related to the Predecessor directors' and officers' insurance policy and severance for the former CEO of the Predecessor, in addition to professional fees and costs incurred as the Company explores potential sales of non-core assets to enable further deleveraging post-emergence.