REVENUES (Tables)

12 Months Ended

Dec. 31, 2024

Revenue from Contract with Customer [Abstract]

The Company’s revenue by segment payers/customer groups is as follows:


	Year Ended December 31, 2024				Year Ended December 31, 2023												Year Ended December 31, 2022
	North America		Europe		Other		Total		North America		Europe		Other		Total			North America		Europe		Other		Total
Payer/Customer
Dx
Clients	24	%	—	%	—	%	24	%	24	%	—	%	—	%	24	%		22	%	—	%	—	%	22	%
Patients	10	%	—	%	—	%	10	%	9	%	—	%	—	%	9	%		8	%	—	%	—	%	8	%
Medicare and Medicaid	8	%	—	%	—	%	8	%	8	%	—	%	—	%	8	%		8	%	—	%	—	%	8	%
Third party	36	%	—	%	—	%	36	%	36	%	—	%	—	%	36	%		39	%	—	%	—	%	39	%
Total Dx revenues by payer	78	%	—	%	—	%	78	%	77	%	—	%	—	%	77	%		77	%	—	%	—	%	77	%

BLS
Pharmaceutical, biotechnology and medical device companies	9	%	9	%	4	%	22	%	10	%	9	%	4	%	23	%		10	%	9	%	4	%	23	%

Total revenues	87	%	9	%	4	%	100	%	87	%	9	%	4	%	100	%		87	%	9	%	4	%	100	%

Contract with Customer, Contract Asset, Contract Liability, and Receivable

The following table provides information about accounts receivable, unbilled services, and unearned revenue from contracts with customers:


	December 31,
	2024		2023
Dx accounts receivable	$	1,259.3	$	1,135.2
BLS accounts receivable	729.5		810.8
Less BLS allowance for credit losses	(44.7)		(32.7)
Accounts receivable, net	$	1,944.1	$	1,913.3

Gross unbilled services	$	160.5	$	192.9
Less reserve for unbilled services	(7.6)		(7.5)
Unbilled services	$	152.9	$	185.4

Unearned revenue	$	392.2	$	421.7

Accounts Receivable, Allowance for Credit Loss

BLS estimates future expected losses on accounts receivable and unbilled services over the remaining collection period of the instrument. The rollforward for the allowance for credit losses is as follows:


	Accounts Receivable		Unbilled Services		Total
Allowance for credit losses at December 31, 2022	$	30.8	$	10.5	$	41.3
Credit loss expense	6.3		—		6.3
Write-offs	(4.4)		(3.0)		(7.4)
Allowance for credit losses at December 31, 2023	32.7		7.5		40.2
Credit loss expense	14.6		0.1		14.7
Write-offs	(2.2)		—		(2.2)
Foreign currency impact	(0.4)		—		(0.4)
Allowance for credit losses at December 31, 2024	$	44.7	$	7.6	$	52.3