Goodwill and Identifiable Assets

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Identifiable Intangible Assets

3. Goodwill and Identifiable Intangible Assets

The changes in the carrying amount of goodwill for three months ended March 31, 2017 and the year ended December 31, 2016 were as follows (in thousands):



	Apex Segment		Oxford Segment			Total
Balance as of December 31, 2015	$	644,617	$	230,289		$	874,906
Translation adjustment	—		(1,393		)	(1,393		)
Balance as of December 31, 2016	644,617		228,896			873,513
Translation adjustment	—		359			359
Balance as of March 31, 2017	$	644,617	$	229,255		$	873,872

Acquired intangible assets consisted of the following (in thousands):



		As of March 31, 2017						As of December 31, 2016
	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	$	196,318	$	103,708	$	92,610	$	196,204	$	98,804	$	97,400
Contractor relationships	2 - 5 years	69,739		52,971		16,768		69,721		50,528		19,193
Non-compete agreements	2 - 7 years	10,866		5,308		5,558		10,861		4,922		5,939
In-use software	6 years	18,900		10,454		8,446		18,900		9,666		9,234
Favorable contracts	5 years	900		508		392		900		453		447
		296,723		172,949		123,774		296,586		164,373		132,213
Not subject to amortization:
Trademarks		245,565		—		245,565		245,517		—		245,517
Total		$	542,288	$	172,949	$	369,339	$	542,103	$	164,373	$	377,730

Estimated future amortization expense is as follows (in thousands):



Remainder of 2017	$	24,392
2018	28,844
2019	21,965
2020	14,463
2021	11,760
Thereafter	22,350
	$	123,774

- 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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