Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

Balance at December 31, 2011	$	67,818
Acquisitions		7,749
Currency exchange		2,171
Balance at September 30, 2012	$	77,738

Balance at September 30, 2012:			Balance at December 31, 2011:
Intangible assets subject to amortization:			Intangible assets subject to amortization:
Gross carrying amount	$	63,829	Gross carrying amount	$	48,664
Accumulated amortization		(22,439)	Accumulated amortization		(19,193)
Currency exchange		(7,137)	Currency exchange		(7,760)
Net value		34,253	Net value		21,711
Intangible assets with indefinite lives:			Intangible assets with indefinite lives:
Gross carrying amount		6,403	Gross carrying amount		3,162
Currency exchange		(578)	Currency exchange		(676)
Total		5,825	Total		2,486
Total intangible assets, net	$	40,078	Total intangible assets, net	$	24,197