Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 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   March 31,
	2019			2018
Accountemps		$	483,473		$	471,589
OfficeTeam		252,035			261,152
Robert Half Technology		171,928			160,062
Robert Half Management Resources		177,191			173,485
Temporary and consulting staffing		1,084,627			1,066,288
Permanent placement staffing		131,562			121,400
Risk consulting and internal audit services		252,341			207,645
Net service revenues		$	1,468,530		$	1,395,333

Schedule of Contract Liability Activity

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

	Contract Liabilities
Balance as of December 31, 2018		$	12,997
Payments in advance of satisfaction of performance obligations		4,604
Revenue recognized		(4,374		)
Other, including translation adjustments		(2,423		)
Balance as of March 31, 2019		$	10,804