Segment Reporting (Notes)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Segment Reporting Disclosure

Management evaluates the performance of each segment primarily based on revenues, gross profit and operating income derived directly from internal financial reporting of the segments used for corporate management purposes, which is presented below by segment (in millions):

	Three Months Ended
	March 31,
	2022		2021
Commercial
Revenues	$	832.9	$	649.2
Gross profit	272.6		198.7
Operating income	104.9		70.5
Depreciation	3.5		3.5
Amortization	5.6		5.7
Federal Government
Revenues	$	258.1	$	257.8
Gross profit	54.0		45.0
Operating income	17.3		14.8
Depreciation	1.5		2.4
Amortization	8.3		6.4
Consolidated
Revenues	$	1,091.0	$	907.0
Gross profit	326.6		243.7
Operating income	100.6		67.4
Depreciation	6.2		7.5
Amortization	13.9		12.0
_______
Consolidated operating income includes corporate operating expenses, which are not allocated to the segments. These include stock-based compensation expense, depreciation expense, compensation for corporate employees, acquisition, integration and strategic planning expenses and public company expenses.

Virtually all of the revenues from the Commercial Segment are generated from time-and-materials ("T&M") contracts where payments are based on fixed hourly rates for each direct labor hour expended and reimbursements for allowable material costs and out-of-pocket expenses. Revenues from the Federal Government Segment are generated from: (i) firm-fixed-price, (ii) T&M and (iii) cost reimbursable contracts. Virtually all of the Company's revenues are recognized over time. Revenues by segment and by type are as follows (in millions):

	Three Months Ended
	March 31,
	2022		2021
Commercial
Assignment	$	628.2	$	531.7
Consulting	204.7		117.5
	832.9		649.2
Federal Government
Firm-fixed-price	76.9		60.5
Time and materials	107.0		90.7
Cost reimbursable	74.2		106.6
	258.1		257.8
Consolidated	$	1,091.0	$	907.0

Federal Government Segment revenues by customer type are as follows (in millions):

	Three Months Ended
	March 31,
	2022		2021
Department of Defense and Intelligence Agencies	$	133.6	$	143.3
Federal Civilian	116.4		92.5
Other	8.1		22.0
	$	258.1	$	257.8