Acquisitions (Tables)

12 Months Ended

Dec. 31, 2015

Business Combinations [Abstract]

Schedule of Purchase Price Allocation

The Company's allocation of the purchase price of Creative Circle, LabResource and CyberCoders has been finalized and the following table summarizes the allocations (in thousands):

	2015 Acquisitions				2013 Acquisition
	Creative Circle		LabResource		CyberCoders
Cash	$	4,840	$	187	$	1,192
Accounts receivable	34,386		1,643		4,298
Prepaid expenses and other current assets	4,462		—		5,839
Property and equipment	5,077		12		3,327
Goodwill	358,029		6,449		69,018
Identifiable intangible assets	194,500		7,528		37,860
Other	651		—		915
Total assets acquired	$	601,945	$	15,819	$	122,449
Current liabilities	$	12,254	$	1,482	$	9,022
Other	—		1,882		16,839
Total liabilities assumed	12,254		3,364		25,861
Total purchase price (1) (2)	$	589,691	$	12,455	$	96,588

Schedule of Intangible Assets Acquired as Part of Business Combinations

The following table summarizes (in thousands) the allocation of the purchase price among the identifiable intangible assets for the acquisitions:

		Identifiable Intangible Asset Value
		2015 Acquisitions				2013 Acquisition
	Useful life	Creative Circle		LabResource		CyberCoders
Contractor relationships	2 - 4 years	$	29,500	$	947	$	4,000
Customer relationships	2 - 10 years	90,700		5,421		860
Non-compete agreements	2 - 6 years	7,300		20		800
Favorable contracts	5 years	900		—		—
In-use software	6 years	—		—		18,900
Trademarks	indefinite	66,100		1,140		13,300
Total identifiable intangible assets acquired		$	194,500	$	7,528	$	37,860

Schedule of Pro Forma Consolidated Results of Operations

The pro forma financial information is not necessarily indicative of the operating results that would have occurred if the acquisitions had been consummated as of the date indicated, nor are they necessarily indicative of future operating results.

	Year Ended December 31,
	2015		2014		2013
Revenues	$	2,178,954	$	1,960,851	$	1,582,699
Income from continuing operations	$	79,159	$	65,152	$	54,947
Net income	$	105,387	$	68,841	$	88,319
Basic earnings per share:
Income from continuing operations	$	1.50	$	1.20	$	1.03
Net income	$	2.00	$	1.27	$	1.65
Diluted earnings per share:
Income from continuing operations	$	1.48	$	1.18	$	1.01
Net income	$	1.97	$	1.25	$	1.62
Number of shares and share equivalents used to calculate earnings per share:
Basic	52,632		54,232		53,481
Diluted	53,411		55,124		54,555