Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

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, 2012	$	124,751
Service cost		154
Interest cost		2,674
Actuarial gain		2,185
Benefits paid		(4,858)
Settlements		237
Currency changes		(8,351)
Benefit obligation at June 30, 2013	$	116,792
Change in plan assets:
Fair value of plan assets at December 31, 2012	$	106,898
Actual return on plan assets		5,755
Employer contribution		821
Benefits paid		(4,858)
Currency changes		(7,181)
Fair value of plan assets at June 30, 2013	$	101,435
Underfunded status at June 30, 2013	$	(15,357)

Schedule of Assumptions Used [Table Text Block]

Discount rate	4.6%
Expected long-term return on plan assets	5.5%