Employee Benefit Plans (Tables)

9 Months Ended

Sep. 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		232
Interest cost		4,001
Actuarial gain		7,286
Benefits paid		(5,814)
Settlements		237
Currency changes		(182)
Benefit obligation at September 30, 2013	$	130,511
Change in plan assets:
Fair value of plan assets at December 31, 2012	$	106,898
Actual return on plan assets		8,689
Employer contribution		822
Benefits paid		(5,814)
Currency changes		(222)
Fair value of plan assets at September 30, 2013	$	110,373
Underfunded status at September 30, 2013	$	(20,138)

Schedule of Assumptions Used [Table Text Block]

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