Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill represents the excess of the purchase price of all acquisitions over the estimated fair value of the net assets acquired. The Company completes an impairment test of goodwill annually. The Company had no goodwill impairment for any of the periods presented in the financial statements.

The following is a rollforward of goodwill from December 31, 2012 to December 31, 2014 by reportable segment (in thousands):



	TL			LTL			TMS		Total
Goodwill balance as of December 31, 2012	$	202,547		$	197,456		$	42,140	$	442,143
Adjustments to goodwill for purchase accounting	(1,906		)	(144		)	4		(2,046		)
Goodwill related to acquisitions	10,772			—			67,874		78,646
Goodwill balance as of December 31, 2013	211,413			197,312			110,018		518,743
Adjustments to goodwill for purchase accounting	(1,253		)	—			238		(1,015		)
Goodwill related to acquisitions	108,891			—			43,033		151,924
Goodwill balance as of December 31, 2014	$	319,051		$	197,312		$	153,289	$	669,652

Intangible assets consist primarily of customer relationships acquired from business acquisitions. Intangible assets were as follows as of December 31 (in thousands):



	2014							2013
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Gross Carrying Amount		Accumulated Amortization			Net Carrying Value
TL	$	60,173	$	(8,356	)	$	51,817	$	17,826	$	(5,294	)	$	12,532
LTL	1,358		(950		)	408		1,358		(723		)	635
TMS	31,522		(3,869		)	27,653		19,522		(1,326		)	18,196
Total intangible assets	$	93,053	$	(13,175	)	$	79,878	$	38,706	$	(7,343	)	$	31,363

The customer relationships intangible assets are amortized over their estimated five to 12 year useful lives. Amortization expense was $5.8 million, $3.0 million, and $1.7 million for the years ended December 31, 2014, 2013, and 2012, respectively. Estimated amortization expense for each of the next five years based on intangible assets as of December 31, 2014 is as follows (in thousands):



	Amount
Year Ending:
2015	$	8,296
2016	8,205
2017	8,084
2018	7,821
2019	7,517
Thereafter	39,955
Total	$	79,878

- 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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