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Intangible Assets
3 Months Ended
Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Intangible Assets

Goodwill
 
Changes in the carrying amount of goodwill by reportable business segment for the three months ended March 31, 2018 were as follows (in thousands):
 
Workforce Excellence
 
Business Transformation Services
 
Total
Balance as of December 31, 2017
$
96,330

 
$
48,505

 
$
144,835

Acquisitions

 
8,527

 
8,527

Foreign currency translation
778

 
450

 
1,228

Balance as of March 31, 2018
$
97,108


$
57,482


$
154,590


 
Intangible Assets Subject to Amortization
 
Intangible assets with finite lives are subject to amortization over their estimated useful lives. The primary assets included in this category and their respective balances were as follows (in thousands):
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
March 31, 2018
 
 
Customer relationships
$
16,432

 
$
(10,610
)
 
$
5,822

Intellectual property and other
4,404

 
(1,388
)
 
3,016

 
$
20,836


$
(11,998
)

$
8,838

 
 
 
 
 
 
December 31, 2017
 

 
 

 
 

Customer relationships
$
16,330

 
$
(11,140
)
 
$
5,190

Intellectual property and other
4,298

 
(1,125
)
 
3,173

 
$
20,628


$
(12,265
)

$
8,363