Goodwill and Identifiable Intangible Assets - Change in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 2,675,166	$ 2,724,958
Goodwill impairment	(127,995)	(13,078)	$ (830,787)
Write-off from sale of assets		(4,598)
Reallocation adjustment		2,707,282
Goodwill from acquisitions (note 3)	33,260
Write-off from dispositions (note 4)	(41,319)
Other	2,316
Ending balance	2,541,428	2,675,166	$ 2,724,958
Assets	4,316,577	4,486,947
Gross Goodwill	3,500,000
Accumulated impairment charges	1,000,000
Subsidiaries | Joint Venture
Goodwill [Roll Forward]
Ending balance	2,300
Assets	3,000
Sleep Health
Goodwill [Roll Forward]
Beginning balance	1,581,039
Goodwill impairment	0
Reallocation adjustment		1,581,039
Goodwill classified as assets held for sale		0
Goodwill from acquisitions (note 3)	12,893	0
Write-off from dispositions (note 4)	0
Other	1,151
Ending balance	1,595,083	1,581,039
Respiratory Health
Goodwill [Roll Forward]
Beginning balance	676,747
Goodwill impairment	0
Reallocation adjustment		676,747
Goodwill classified as assets held for sale		0
Goodwill from acquisitions (note 3)	5,039	0
Write-off from dispositions (note 4)	0
Other	225
Ending balance	682,011	676,747
Diabetes Health
Goodwill [Roll Forward]
Beginning balance	211,796
Goodwill impairment	(127,995)
Reallocation adjustment		211,796
Goodwill classified as assets held for sale		0
Goodwill from acquisitions (note 3)	0	0
Write-off from dispositions (note 4)	0
Other	0
Ending balance	83,801	211,796
Wellness at Home
Goodwill [Roll Forward]
Beginning balance	205,584
Goodwill impairment	0
Reallocation adjustment		237,700
Goodwill classified as assets held for sale		(41,211)
Goodwill from acquisitions (note 3)	15,328	9,095
Write-off from dispositions (note 4)	(41,319)
Other	940
Ending balance	$ 180,533	$ 205,584