Business Segments (Tables)

12 Months Ended

Dec. 31, 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 (in thousands):

	Year Ended December 31,
	2021		2020		2019
Service revenues
Temporary and consultant staffing	$	4,038,743	$	3,477,335	$	4,412,125
Permanent placement staffing	569,921		370,109		533,432
Risk consulting and internal audit services	1,852,780		1,261,556		1,128,875
	$	6,461,444	$	5,109,000	$	6,074,432
Segment income
Temporary and consultant staffing	$	393,872	$	237,279	$	410,153
Permanent placement staffing	106,465		28,799		83,885
Risk consulting and internal audit services	305,487		155,680		127,713
Combined segment income	805,824		421,758		621,751
Amortization of intangible assets	2,241		1,219		1,361
Interest income, net	(197)		(1,343)		(5,125)
Income before income taxes	$	803,780	$	421,882	$	625,515

Revenue and Long-Lived Assets by Geographic Location

The following tables represent revenues and long-lived assets by geographic location (in thousands):

 

	Year Ended December 31,
	2021		2020		2019
Service revenues (a)
Domestic	$	5,006,525	$	3,984,742	$	4,708,715
Foreign (b)	1,454,919		1,124,258		1,365,717
	$	6,461,444	$	5,109,000	$	6,074,432
	December 31,
	2021		2020		2019
Property and equipment, net
Domestic	$	76,757	$	88,117	$	99,365
Foreign	16,646		21,700		29,020
	$	93,403	$	109,817	$	128,385

(a)There were no customers that accounted for more than 10% of the Company’s total service revenues in any year presented.

(b)No individual country represented more than 10% of revenues in any year presented.