BUSINESS SEGMENT INFORMATION Business Segment information (Notes)

3 Months Ended

Sep. 30, 2022

Segment Reporting Information [Line Items]

Segment Reporting Disclosure [Text Block]

BUSINESS SEGMENT INFORMATION

The following table is a summary of segment information for the three and nine months ended September 30, 2022, and 2021. The management approach has been used to present the following segment information. This approach is based upon the way the management of the Company organizes segments within an enterprise for making operating decisions and assessing performance. Financial information is reported on the basis as it is used internally by the chief operating decision maker (CODM) for evaluating segment performance and deciding how to allocate resources to segments. The Company’s chief executive officer has been identified as the CODM.

Segment asset information is not presented because it is not used by the CODM at the segment level. Operating earnings of each segment represent revenues less directly identifiable expenses to arrive at operating income for the segment. General management and administrative corporate expenses are included in general corporate expenses below.

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
Revenues:
Dx	$	2,207.6	$	2,617.5	$	6,917.1	$	7,740.8
DD	1,405.8		1,459.5		4,317.0		4,392.9
Intercompany eliminations and other	(7.3)		(14.4)		(31.5)		(68.9)
Revenues	$	3,606.1	$	4,062.6	$	11,202.6	$	12,064.8
Operating earnings:
Dx	$	378.7	$	722.7	1,457.5		2,275.4
DD	156.7		141.6		431.8		445.3
General corporate expenses	(66.0)		(97.4)		(206.1)		(191.8)
Total operating income	$	469.4	$	766.9	$	1,683.2	$	2,528.9