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Goodwill and Other Intangibles - Changes in Carrying Amount of Goodwill, by Segment (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Goodwill [Line Items]  
Beginning Balance $ 13,873
Additions 4,826
Currency translation 482
Ending Balance 19,181
The Americas [Member]
 
Goodwill [Line Items]  
Beginning Balance 3,078
Additions 4,826
Currency translation 33
Ending Balance 7,937
EMEA [Member]
 
Goodwill [Line Items]  
Beginning Balance 1,754
Additions 0
Currency translation (28)
Ending Balance 1,726
Asia-Pacific [Member]
 
Goodwill [Line Items]  
Beginning Balance 9,041
Additions 0
Currency translation 477
Ending Balance $ 9,518