Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Revenue Disaggregated by Line of Business

The following table presents the Company’s revenues disaggregated by line of business (in thousands):

	Three Months Ended    June 30,						Six Months Ended    June 30,
	2019			2018			2019		2018
Accountemps		$	486,992		$	480,563	$	970,465		$	952,152
OfficeTeam		261,034			268,362		513,069			529,514
Robert Half Technology		179,375			171,446		351,303			331,508
Robert Half Management Resources		175,311			167,603		352,502			341,088
Temporary and consulting staffing		1,102,712			1,087,974		2,187,339			2,154,262
Permanent placement staffing		140,894			135,038		272,456			256,438
Risk consulting and internal audit services		272,779			234,042		525,120			441,687
Net service revenues		$	1,516,385		$	1,457,054	$	2,984,915		$	2,852,387

Schedule of Contract Liability Activity

The following table sets forth the activity in contract liabilities from December 31, 2018, through June 30, 2019 (in thousands):

	Contract Liabilities
Balance as of December 31, 2018		$	12,997
Payments in advance of satisfaction of performance obligations		6,932
Revenue recognized		(6,771		)
Other, including translation adjustments		(3,285		)
Balance as of June 30, 2019		$	9,873