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Goodwill (Tables)
 12 Months Ended
Dec. 31, 2015
Disclosure - Goodwill - Additional Information [Abstract]  
Carrying value of goodwill by reporting segment and the activity
The carrying value of goodwill and the activity for the two year period ending December 31, 2015 are as follows (in thousands):

Balance, December 31, 2013
$
575,701

Currency translation adjustments
(21,411
)
Other
(955
)
Balance, December 31, 2014
553,335

Goodwill from acquisition
57,992

Currency translation adjustments
(15,011
)
Balance, December 31, 2015
$
596,316