Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Employee Benefit Plans [Abstract]

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

		Defined Benefit Plan
Change in benefit obligation:
Balance at December 31, 2011	$	109,877
Service cost		158
Interest cost		2,821
Actuarial gain		3,048
Benefits paid		(1,832)
Currency changes		994
Benefit obligation at June 30, 2012	$	115,066
Change in plan assets:
Fair value of plan assets at December 31, 2011	$	96,384
Actual return on plan assets		1,850
Employer contribution		1,103
Benefits paid		(1,832)
Currency changes		886
Fair value of plan assets at June 30, 2012	$	98,391
Underfunded status at June 30, 2012	$	(16,675)