Business Segments (Tables)

12 Months Ended

Dec. 31, 2015

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



	Years Ended December 31,
	2015			2014			2013
Net service revenues
Temporary and consultant staffing	$	3,930,843		$	3,676,281		$	3,369,840
Permanent placement staffing	421,411			394,515			347,715
Risk consulting and internal audit services	742,679			624,218			528,340
	$	5,094,933		$	4,695,014		$	4,245,895
Operating income
Temporary and consultant staffing	$	399,808		$	358,533		$	301,185
Permanent placement staffing	85,019			78,333			54,390
Risk consulting and internal audit services	95,845			60,316			42,702
	580,672			497,182			398,277
Amortization of intangible assets	192			557			1,700
Interest income, net	(550		)	(724		)	(1,002		)
Income before income taxes	$	581,030		$	497,349		$	397,579

The following tables represent identifiable assets by business segment (in thousands):



	December 31,
	2015		2014		2013
Accounts receivable
Temporary and consultant staffing	$	425,179	$	403,615	$	349,364
Permanent placement staffing	121,670		115,563		100,550
Risk consulting and internal audit services	192,878		169,042		129,252
	$	739,727	$	688,220	$	579,166

	December 31,
	2015		2014		2013
Goodwill
Temporary and consultant staffing	$	133,173	$	133,964	$	134,692
Permanent placement staffing	26,251		26,450		26,574
Risk consulting and internal audit services	49,155		39,074		39,567
	$	208,579	$	199,488	$	200,833

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

(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.