Business Segments

The Company, which aggregates its operating segments based on the nature of services, has three reportable segments: temporary and consultant staffing, permanent placement staffing, and risk consulting and internal audit services. The temporary and consultant staffing segment provides specialized staffing in the accounting and finance, administrative and office, information technology, legal, advertising, marketing and web design fields. The permanent placement staffing segment provides full-time personnel in the accounting, finance, administrative and office, and information technology fields. The risk consulting segment provides business and technology risk consulting and internal audit services.

The accounting policies of the segments are set forth in Note A—Summary of Significant Accounting Policies. The Company evaluates performance based on income from operations before net interest income, intangible amortization expense, and income taxes.

The following table provides a reconciliation of revenue and operating income by reportable segment to consolidated results (in thousands):



	Years Ended December 31,
	2017			2016			2015
Net service revenues
Temporary and consultant staffing	$	4,011,042		$	4,026,777		$	3,930,843
Permanent placement staffing	439,214			419,314			421,411
Risk consulting and internal audit services	816,533			804,308			742,679
	$	5,266,789		$	5,250,399		$	5,094,933
Operating income
Temporary and consultant staffing	$	355,700		$	393,704		$	399,808
Permanent placement staffing	77,673			80,001			85,019
Risk consulting and internal audit services	83,907			80,754			95,845
	517,280			554,459			580,672
Amortization of intangible assets	1,563			1,237			192
Interest income, net	(1,799		)	(888		)	(550		)
Income before income taxes	$	517,516		$	554,110		$	581,030

Assets by reportable segment are not presented as the Company does not allocate assets to its reportable segments, nor is such information used by management for purposes of assessing performance or allocating resources.

The Company operates internationally, with operations in North America, South America, Europe, Asia and Australia. The following tables represent revenues and long-lived assets by geographic location (in thousands):



	Years Ended December 31,
	2017		2016		2015
Net service revenues (a)
Domestic	$	4,121,701	$	4,220,477	$	4,105,013
Foreign (b)	1,145,088		1,029,922		989,920
	$	5,266,789	$	5,250,399	$	5,094,933

	December 31,
	2017		2016		2015
Assets, long-lived
Domestic	$	113,069	$	136,434	$	117,176
Foreign	31,818		25,075		25,730
	$	144,887	$	161,509	$	142,906

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

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