Business Segments (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2021 and 2020 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Service revenues
Temporary and consultant staffing	$	978,281	$	753,386	$	1,867,557	$	1,845,506
Permanent placement staffing	143,640		71,030		255,344		191,519
Risk consulting and internal audit services	458,660		283,910		856,060		577,992
	$	1,580,581	$	1,108,326	$	2,978,961	$	2,615,017
Segment income
Temporary and consultant staffing	$	94,010	$	28,390	$	169,688	$	122,154
Permanent placement staffing	30,599		(248)		48,234		10,663
Risk consulting and internal audit services	79,980		30,107		137,303		56,576
Combined segment income	204,589		58,249		355,225		189,393
Amortization of intangible assets	576		330		1,152		668
Interest expense (income), net	151		(105)		105		(1,062)
Income before income taxes	$	203,862	$	58,024	$	353,968	$	189,787