Segment Reporting (Notes)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Segment Reporting

10. Segment Reporting 

ASGN provides IT and professional staffing services in the technology, digital, creative, engineering and life sciences fields across commercial and government sectors. ASGN operates through its Apex, Oxford and ECS segments. The Apex Segment provides technology, scientific, engineering, digital and creative resources and services to Fortune 1000 and mid-market clients across the United States and Canada. The businesses in this segment include Apex Systems and Creative Circle. The Oxford Segment provides hard-to-find technical, digital, engineering and life sciences resources in select skill and geographic markets, along with consulting services. The businesses in this segment include Oxford Global Resources, CyberCoders and Life Sciences Europe. The ECS Segment provides advanced solutions in cloud, cybersecurity, artificial intelligence, machine learning, application and IT modernization and science and engineering to customers across the U.S. public sector, defense, intelligence and commercial industries. 

The Company’s management evaluates the performance of each segment primarily based on revenues, gross profit and operating income. The information in the following tables is derived directly from the segments’ internal financial reporting used for corporate management purposes.

The following tables present revenues, gross profit, operating income and amortization by reportable segment (in millions):

	Three Months Ended
	March 31,
	2019			2018
Apex:
Revenues	$	606.1		$	538.5
Gross profit	175.4			158.6
Operating income	61.0			56.3
Amortization	6.0			6.5
Oxford:
Revenues	$	149.6		$	146.7
Gross profit	58.9			59.1
Operating income	11.7			9.8
Amortization	1.0			1.1
ECS:
Revenues	$	168.0		$	—
Gross profit	29.6			—
Operating income	6.9			—
Amortization	6.8			—
Corporate:
Operating loss(1)	$	(16.9	)	$	(20.4	)
Consolidated:
Revenues	$	923.7		$	685.2
Gross profit	263.9			217.7
Operating income	62.7			45.7
Amortization	13.8			7.6

_____________

(1) Corporate expenses primarily consist of consolidated stock-based compensation expense, compensation for corporate employees, acquisition, integration and strategic planning expenses, public company expenses and depreciation expense for corporate assets.

The following table presents our revenues disaggregated by type (in millions):

	Three Months Ended
	March 31,
	2019		2018
Apex:
Assignment	$	592.2	$	524.9
Permanent placement	13.9		13.6
	$	606.1	$	538.5
Oxford:
Assignment	$	129.4	$	125.4
Permanent placement	20.2		21.3
	$	149.6	$	146.7
ECS:
Firm-fixed-price	$	43.3	$	—
Time and materials	61.4		—
Cost-plus-fixed-fee	63.3		—
	$	168.0	$	—
Consolidated	$	923.7	$	685.2

The Company operates internationally, with operations mainly in the United States. The following table presents revenues by geographic location (in millions):

	Three Months Ended
	March 31,
	2019		%		2018		%
Revenues:
Domestic	$	881.1	95.4	%	$	647.3	94.5	%
Foreign	42.6		4.6	%	37.9		5.5	%
	$	923.7	100.0	%	$	685.2	100.0	%

The following table presents the ECS segment revenues by customer type (in millions):

	Three Months Ended
	March 31, 2019
Department of Defense and Intelligence Agencies	$	96.0
Federal Civilian	60.2
Commercial and Other	11.8
	$	168.0