Business Segments (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

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

The following table provides a reconciliation of revenue and operating income by reportable segment to consolidated results for the three months ended March 31, 2016 and 2015 (in thousands):

	Three Months Ended March 31,
	2016			2015
Net service revenues
Temporary and consultant staffing	$	1,009,165		$	943,518
Permanent placement staffing	106,289			98,413
Risk consulting and internal audit services	187,171			163,632
	$	1,302,625		$	1,205,563
Operating income
Temporary and consultant staffing	$	97,883		$	92,801
Permanent placement staffing	21,502			19,031
Risk consulting and internal audit services	14,513			16,270
	133,898			128,102
Amortization of intangible assets	288			—
Interest income, net	(181		)	(72		)
Income before income taxes	$	133,791		$	128,174