GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in the Carrying Amount of Goodwill, by Reporting Segment (Details) $ in Millions	6 Months Ended
Jun. 27, 2026 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 2,050.1
Impairments	(330.8)
Currency translation adjustments	(25.3)
Ending balance	1,694.1
All Other
Goodwill [Roll Forward]
Beginning balance	187.2
Impairments	(187.2)
Currency translation adjustments	0.0
Ending balance	0.0
Self Care \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	1,113.9
Impairments	0.0
Currency translation adjustments	(13.6)
Ending balance	1,100.3
Specialty Care \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	682.8
Impairments	(77.4)
Currency translation adjustments	(11.6)
Ending balance	593.8
Infant Formula \| Operating Segments
Goodwill [Roll Forward]
Beginning balance	66.3
Impairments	(66.3)
Currency translation adjustments	0.0
Ending balance	$ 0.0

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

- Definition

Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

+ References + Details