Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Schedule Of Net Benefit Costs [Table Text Block]

	Defined Benefit Plan
Components of net periodic benefit cost:	2012		2011
Service cost	$	317	$	321
Interest cost		5,638		6,088
Recognized actuarial loss		(70)		-
Expected return on plan assets		(5,446)		(6,241)
Net periodic benefit cost	$	439	$	168

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

	Defined Benefit Plan
	2012		2011
Change in benefit obligation:
Beginning balance	$	109,877	$	118,505
Service cost		317		321
Interest cost		5,638		6,088
Actuarial gain (loss)		7,134		(10,576)
Benefits paid		(3,506)		(3,825)
Currency changes		5,291		(636)
Benefit obligation at December 31	$	124,751	$	109,877
Change in plan assets:
Beginning balance - fair value	$	96,384	$	93,642
Employer contribution		1,904		1,524
Actual return on plan assets		7,536		5,852
Benefits paid		(3,506)		(3,825)
Currency changes		4,580		(809)
Fair value of plan assets at December 31	$	106,898	$	96,384
Underfunded status at December 31	$	(17,853)	$	(13,493)

Schedule of Assumptions Used [Table Text Block]

The following weighted-average assumptions were used to determine net periodic benefit costs for the year ended December 31

	2012	2011
Discount rate	5.1%	5.1%
Expected long-term return on plan assets	5.6%	5.6%

The following weighted-average assumption was used to determine the benefit obligations for the year ended December 31

	2012	2011
Discount rate	4.6%	5.1%

Schedule Of Allocation Of Plan Assets [Table Text Block]

Asset category	Expected long-term return	Assets allocation
Cash	0.5%	1%
Equity securities	7.0%	43%
Debt securities	3.8%	44%
Target return funds	7.0%	12%
Total	5.5%	100%

Schedule Of Expected Benefit Payments [Table Text Block]

Year
2013	$ 3,804
2014	4,454
2015	4,584
2026	4,503
2017	4,823
2018-2022	32,055

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

December 31, 2012
Assets Category		Level 1		Level 2		Level 3		Total
Cash	$	1,087	$	-	$	-	$	1,087
Equity securities:
U.K.		23,898		-		-		23,898
North America		8,248		-		-		8,248
Europe (excluding U.K.)		7,123		-		-		7,123
Japan		3,139		-		-		3,139
Pacific Basin (excluding Japan)		3,145		-		-		3,145
Emerging markets		970		-		-		970
Fixed income securities:
Corporate bonds		-		25,770		-		25,770
Index linked securities:
U.K. Treasuries		21,188		-		-		21,188
Other types of investments:
Absolute return funds		12,330		-		-		12,330
Total	$	81,128	$	25,770	$	-	$	106,898