Goodwill (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill [Abstract]

Schedule Of Goodwill [Table Text Block]

Balance at December 31, 2011	$	67,818
Acquisitions		16,913
Currency exchange		2,628
Balance at December 31, 2012	$	87,359
Acquisitions		2,518
Impairment		(5,318)
Currency exchange		155
Balance at December 31, 2013	$	84,714