Acquisitions - Consideration Paid (Details) - USD ($) $ in Thousands						12 Months Ended
	Dec. 30, 2021	Jul. 01, 2021	Jun. 01, 2021	Apr. 30, 2021	Feb. 01, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Significant Acquisitions In 2023
Business Acquisition [Line Items]
Cash						$ 19,943
Deferred payments						137
Total						$ 20,080
Significant Acquisitions In 2022
Business Acquisition [Line Items]
Cash							$ 17,170
Deferred payments							457
Total							$ 17,627
Significant Acquisitions In 2021
Business Acquisition [Line Items]
Cash								$ 1,657,970
Equity								1,261,200
Contingent consideration								7,800
Deferred payments								4,478
Total								2,931,448
AeroCare
Business Acquisition [Line Items]
Cash					$ 1,200,000			1,153,409
Equity								1,220,342
Contingent consideration								0
Deferred payments								0
Total								2,373,751
Spiro
Business Acquisition [Line Items]
Cash				$ 65,800				65,759
Equity								7,109
Contingent consideration								1,000
Deferred payments								0
Total								73,868
Healthy Living
Business Acquisition [Line Items]
Cash			$ 47,000					47,048
Equity								5,057
Contingent consideration								0
Deferred payments								0
Total								52,105
Agilis
Business Acquisition [Line Items]
Cash		$ 30,800						30,828
Equity								14,668
Contingent consideration								1,000
Deferred payments								0
Total								46,496
We Care
Business Acquisition [Line Items]
Cash		$ 34,800						34,834
Equity								6,321
Contingent consideration								0
Deferred payments								0
Total								41,155
Community
Business Acquisition [Line Items]
Cash	$ 129,400							129,423
Equity								0
Contingent consideration	$ 5,800							5,800
Deferred payments								0
Total								135,223
Other
Business Acquisition [Line Items]
Cash								196,669
Equity								7,703
Contingent consideration								0
Deferred payments								4,478
Total								$ 208,850