Segment Information - Financial Information by Segment (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) segment	Jun. 30, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	$ 2,500,015	$ 2,489,460	$ 4,906,967	$ 4,815,994
Operating income:	75,085	96,884	136,144	243,577
Intangible amortization	(30,900)	(10,000)	(41,200)	(20,100)
Acquisition-related and exit and realignment charges	(7,602)	(8,624)	(41,150)	(14,587)
Depreciation and amortization	73,161	22,600	97,286	45,501
Consolidated capital expenditures	54,738	12,058	65,699	18,681
Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	2,500,015	2,489,460	4,906,967	4,815,994
Operating Segments | Products & Healthcare Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	1,927,388	2,255,820	4,061,429	4,365,265
Operating income:	61,243	101,229	150,325	251,647
Depreciation and amortization	19,209	18,847	38,203	38,007
Consolidated capital expenditures	18,418	11,806	29,061	18,270
Operating Segments | Patient Direct
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	572,627	233,640	845,538	450,729
Operating income:	52,332	14,305	68,125	26,569
Depreciation and amortization	53,952	3,753	59,083	7,494
Consolidated capital expenditures	36,320	252	36,638	411
Segment Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Intangible amortization	(30,888)	(10,026)	(41,156)	(20,052)
Acquisition-related and exit and realignment charges	$ (7,602)	$ (8,624)	$ (41,150)	$ (14,587)