Segment Information - Financial Information by Segment (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) segment	Sep. 30, 2023 USD ($) segment	Sep. 30, 2024 USD ($) segment	Sep. 30, 2023 USD ($) segment
Financial information by segment
Net revenue	$ 2,721,125	$ 2,591,742	$ 8,004,810	$ 7,677,817
Operating income	24,204	23,841	54,198	44,487
Acquisition-related charges and intangible amortization	21,097	30,217	61,395	74,609
Exit and realignment charges, net	(28,880)	(30,180)	(85,530)	(74,817)
Depreciation and amortization	61,614	73,652	199,588	216,640
Share-based compensation	5,680	5,742	19,281	17,417
Capital expenditures	$ 61,518	$ 50,588	$ 156,726	$ 151,567
Number of Reportable Segments | segment	2	2	2	2
Operating Segments
Financial information by segment
Net revenue	$ 2,721,125	$ 2,591,742	$ 8,004,810	$ 7,677,817
Operating Segments | Products & Healthcare Services
Financial information by segment
Net revenue	2,034,279	1,943,467	6,019,721	5,789,679
Operating income	4,233	19,803	27,187	24,564
Depreciation and amortization	18,382	20,021	60,832	57,360
Share-based compensation	4,141	2,917	13,696	10,649
Capital expenditures	17,763	5,023	29,130	17,957
Operating Segments | Patient Direct
Financial information by segment
Net revenue	686,846	648,275	1,985,089	1,888,138
Operating income	79,932	64,435	190,598	169,349
Depreciation and amortization	43,232	53,631	138,756	159,280
Share-based compensation	1,198	1,699	4,131	5,113
Capital expenditures	43,755	45,565	127,596	133,610
Segment Reconciling Items
Financial information by segment
Acquisition-related charges and intangible amortization	(21,097)	(30,217)	(61,395)	(74,609)
Exit and realignment charges, net	(28,880)	(30,180)	(85,530)	(74,817)
Litigation and related charges	(9,984)		(16,662)
Share-based compensation	$ 341	$ 1,126	$ 1,454	$ 1,655