Goodwill and Identifiable Assets

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Identifiable Intangible Assets

Goodwill and Other Identifiable Intangible Assets

The changes in the carrying amount of goodwill for the years ended December 31, 2015 and 2014 are as follows (in thousands):



	Apex			Oxford			Total
Balance as of December 31, 2013	$	289,712		$	224,714		$	514,426
Translation adjustment	(1,761		)	(605		)	(2,366		)
Balance as of December 31, 2014	287,951			224,109			512,060
Creative Circle Acquisition	358,029			—			358,029
LabResource Acquisition	—			6,449			6,449
Translation adjustment	(1,363		)	(269		)	(1,632		)
Balance as of December 31, 2015	$	644,617		$	230,289		$	874,906

As of December 31, 2015 and 2014, the Company had the following acquired intangible assets (in thousands):



		2015						2014
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Subject to amortization:
Customer relationships	2 - 10 years	$	196,472	$	74,640	$	121,832	$	101,141	$	53,434	$	47,707
Contractor relationships	2 - 5 years	69,764		40,124		29,640		39,332		32,021		7,311
Non-compete agreements	2 - 7 years	10,874		3,163		7,711		3,654		1,922		1,732
Favorable contracts	5 years	900		172		728		—		—		—
In-use software	6 years	18,900		6,516		12,384		18,900		3,366		15,534
		296,910		124,615		172,295		163,027		90,743		72,284
Not subject to amortization:
Trademarks		245,630		—		245,630		178,325		—		178,325
Total		$	542,540	$	124,615	$	417,925	$	341,352	$	90,743	$	250,609

Amortization expense for intangible assets with finite lives was $34.5 million in 2015, $22.1 million in 2014 and $20.9 million in 2013. Estimated amortization for each of the next five years and thereafter are as follows (in thousands):



2016	$	39,657
2017	33,029
2018	28,904
2019	22,008
2020	14,496
Thereafter	34,201
	$	172,295

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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