Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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		78
Interest cost		1,362
Actuarial gain		8,871
Benefits paid		(1,525)
Currency changes		(8,395)
Benefit obligation at March 31, 2013	$	125,142
Change in plan assets:
Fair value of plan assets at December 31, 2012	$	106,898
Actual return on plan assets		8,756
Employer contribution		437
Benefits paid		(1,525)
Currency changes		(7,242)
Fair value of plan assets at March 31, 2013	$	107,324
Underfunded status at March 31, 2013	$	(17,818)

Schedule of Assumptions Used [Table Text Block]

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