Goodwill (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

Changes in goodwill for the years ended December 31 were as follows:

Balance at December 31, 2013	$	84,714
Currency exchange and other		(3,485	)
Balance at December 31, 2014		81,229
Acquisitions		54,280
Currency exchange and other		(2,596	)
Balance at December 31, 2015	$	132,913