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Goodwill and Other Intangible Assets, Net
12 Months Ended
Dec. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets, Net

Note 4. Goodwill and Other Intangible Assets, Net

A summary of changes in the carrying amount of goodwill by operating segment for the years ended December 31, 2016 and 2015 were as follows (in thousands): 

 

 

 

Financial

Services

 

 

Benefits and Insurance Services

 

 

National

Practices

 

 

Total

Goodwill

 

December 31, 2014

 

$

268,630

 

 

$

164,935

 

 

$

1,666

 

 

$

435,231

 

Additions

 

 

409

 

 

 

13,599

 

 

 

 

 

 

14,008

 

Divestitures

 

 

(1,554

)

 

 

 

 

 

 

 

 

(1,554

)

December 31, 2015

 

$

267,485

 

 

$

178,534

 

 

$

1,666

 

 

$

447,685

 

Additions

 

 

3,845

 

 

 

35,954

 

 

 

 

 

 

39,799

 

Divestitures

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2016

 

$

271,330

 

 

$

214,488

 

 

$

1,666

 

 

$

487,484

 

 

We review goodwill at least annually for impairment in accordance with FASB ASC Topic 350 “Intangibles — Goodwill and Other.” The annual impairment review was performed as of November 1, 2016. Goodwill impairment is tested at the reporting unit level. At November 1, 2016, we had five reporting units. No goodwill impairment was recognized as a result of the annual evaluation performed as of November 1, 2016.

The components of goodwill and other intangible assets, net at December 31, 2016 and 2015 were as follows (in thousands):

 

 

 

2016

 

 

2015

 

Goodwill

 

$

487,484

 

 

$

447,685

 

Intangibles :

 

 

 

 

 

 

 

 

Client lists

 

 

172,343

 

 

 

147,706

 

Other intangibles

 

 

7,994

 

 

 

6,977

 

Total intangibles

 

 

180,337

 

 

 

154,683

 

Total goodwill and other intangibles assets

 

 

667,821

 

 

 

602,368

 

Accumulated amortization:

 

 

 

 

 

 

 

 

Client lists

 

 

(80,560

)

 

 

(65,037

)

Other intangibles

 

 

(2,860

)

 

 

(1,678

)

Total accumulated amortization

 

 

(83,420

)

 

 

(66,715

)

Goodwill and other intangible assets, net

 

$

584,401

 

 

$

535,653

 

 

Amortization expense for client lists and other intangible assets was $16.7 million, $14.7 million and $14.5 million in 2016, 2015 and 2014, respectively. The weighted-average useful lives of total intangible assets, client lists and other intangible assets were 7.6 years, 7.5 years and 8.9 years, respectively. Other intangible assets are amortized over periods ranging from 2 to 15 years. Based on the amount of intangible assets subject to amortization at December 31, 2016, the estimated amortization expense is $17.4 million for 2017, $16.3 million for 2018, $12.1 million for 2019, $10.9 million for 2020 and $9.7 million for 2021.