Business Segments (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Reconciliation of Revenue and Operating Income by Reportable Segment to Consolidated Results

The following table provides a reconciliation of service revenues and segment income by reportable segment to consolidated results for the three and nine months ended September 30, 2021 and 2020 (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Service revenues
Temporary and consultant staffing	$	1,054,701	$	781,391	$	2,922,257	$	2,626,897
Permanent placement staffing	156,444		87,203		411,788		278,722
Risk consulting and internal audit services	501,421		321,303		1,357,482		899,295
	$	1,712,566	$	1,189,897	$	4,691,527	$	3,804,914
Segment income
Temporary and consultant staffing	$	110,010	$	43,779	$	279,697	$	165,933
Permanent placement staffing	31,030		10,128		79,264		20,791
Risk consulting and internal audit services	86,952		48,735		224,256		105,311
Combined segment income	227,992		102,642		583,217		292,035
Amortization of intangible assets	572		334		1,724		1,002
Interest income, net	(238)		(202)		(145)		(1,264)
Income before income taxes	$	227,658	$	102,510	$	581,638	$	292,297