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Goodwill and Intangibles
9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets
Goodwill
Changes in the carrying amount of goodwill by reportable operating segment for the nine months ended September 30, 2017 were as follows:
 
North America
 
Europe
 
Asia Pacific
 
Total
Balance as of December 31, 2016
$
121,996

 
$
10,753

 
$
34,692

 
$
167,441

Acquisition

 
236

 

 
236

Foreign exchange translation
240

 
1,259

 
1,589

 
3,088

Balance as of September 30, 2017
$
122,236

 
$
12,248

 
$
36,281

 
$
170,765


Goodwill is tested for impairment by reporting unit annually or more frequently if events or circumstances indicate that an impairment may exist. There were no indicators of potential impairment during the nine months ended September 30, 2017.
Intangible Assets
Intangible assets and accumulated amortization balances as of September 30, 2017 and December 31, 2016 were as follows:
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
Customer relationships
$
135,680

 
$
(83,044
)
 
$
52,636

Developed technology
9,144

 
(9,053
)
 
91

Other
21,863

 
(2,530
)
 
19,333

Balance as of September 30, 2017
$
166,687

 
$
(94,627
)
 
$
72,060

 
 
 
 
 
 
Customer relationships
$
134,918

 
$
(73,088
)
 
$
61,830

Developed technology
8,762

 
(8,386
)
 
376

Other
20,965

 
(1,808
)
 
19,157

Balance as of December 31, 2016
$
164,645

 
$
(83,282
)
 
$
81,363