Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

Balance at December 31, 2012	$	87,359
Acquisitions		2,518
Currency exchange		(547)
Balance at September 30, 2013	$	89,330

	September 30,		December 31,
	2013		2012
Intangible assets subject to amortization:
Gross carrying amount	$	86,909	$	69,707
Accumulated amortization		(30,240)		(24,161)
Currency exchange		(7,217)		(7,051)
Net value		49,452		38,495
Intangible assets with indefinite lives:
Gross carrying amount		6,403		6,403
Currency exchange		(571)		(561)
Total		5,832		5,842
Total intangible assets, net	$	55,284	$	44,337