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Intangible Assets
3 Months Ended
Mar. 31, 2017
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, 2017 were as follows (in thousands):
 
Learning
Solutions
 
Professional
& Technical
Services
 
Sandy Training & Marketing
 
Performance
Readiness
Solutions
 
Total
Balance as of December 31, 2016
$
49,079

 
$
42,364

 
$
653

 
$
35,676

 
$
127,772

Acquisitions

 

 

 
3,515

 
3,515

Foreign currency translation
359

 
79

 

 
13

 
451

Balance as of March 31, 2017
$
49,438


$
42,443


$
653


$
39,204


$
131,738


 
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, 2017
 
 
Customer relationships
$
15,136

 
$
(10,531
)
 
$
4,605

Intellectual property and other
4,507

 
(1,453
)
 
3,054

 
$
19,643


$
(11,984
)

$
7,659

 
 
 
 
 
 
December 31, 2016
 

 
 

 
 

Customer relationships
$
14,595

 
$
(9,855
)
 
$
4,740

Intellectual property and other
2,311

 
(1,226
)
 
1,085

 
$
16,906


$
(11,081
)

$
5,825