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Goodwill and Other Intangibles - Changes in Carrying Amount of Goodwill by Segment (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Goodwill [Line Items]  
Beginning Balance $ 13,873
Additions 4,976
Currency translation (490)
Ending Balance 18,359
The Americas [Member]
 
Goodwill [Line Items]  
Beginning Balance 3,078
Additions 4,976
Currency translation (39)
Ending Balance 8,015
EMEA [Member]
 
Goodwill [Line Items]  
Beginning Balance 1,754
Additions 0
Currency translation (139)
Ending Balance 1,615
Asia-Pacific [Member]
 
Goodwill [Line Items]  
Beginning Balance 9,041
Additions 0
Currency translation (312)
Ending Balance $ 8,729