Goodwill and Intangible Assets - Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 26, 2025 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 0.0
Goodwill addition	7.3
Ending balance	7.3
Specialty Brands
Goodwill [Roll Forward]
Beginning balance	0.0
Goodwill addition	7.3
Ending balance	7.3
Generics
Goodwill [Roll Forward]
Beginning balance	0.0
Goodwill addition	0.0
Ending balance	0.0
Sterile Injectables
Goodwill [Roll Forward]
Beginning balance	0.0
Goodwill addition	0.0
Ending balance	$ 0.0