Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2011

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:	2011		2010
Service cost	$	321	$	309
Interest cost		6,088		6,326
Recognized actuarial loss		-		438
Expected return on plan assets		(6,241)		(5,689)
Net periodic benefit cost	$	168	$	1,384

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

	Defined Benefit Plan
	2011		2010
Change in benefit obligation:
Beginning balance	$	118,505	$	117,539
Service cost		321		309
Interest cost		6,088		6,326
Actuarial loss		(10,576)		1,143
Benefits paid		(3,825)		(3,283)
Currency changes		(636)		(3,529)
Benefit obligation at December 31	$	109,877	$	118,505
Change in plan assets:
Beginning balance - fair value	$	93,642	$	88,234
Employer contribution		1,524		1,468
Actual return on plan assets		5,852		9,810
Benefits paid		(3,825)		(3,283)
Currency changes		(809)		(2,587)
Fair value of plan assets at December 31	$	96,384	$	93,642
Underfunded status at December 31	$	(13,493)	$	(24,863)

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

	2011	2010
Discount rate	5.1%	5.4%
Expected long-term return on plan assets	5.6%	6.6%

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

	2011	2010
Discount rate	5.1%	5.4%

Schedule Of Allocation Of Plan Assets [Table Text Block]

Asset category	Expected long-term return	Assets allocation
Cash	0.5%	0.6%
Equity securities	7.0%	42.3%
Debt securities	4.0%	45.3%
Target return funds	7.0%	11.8%
Total	5.6%	100%

Schedule Of Expected Benefit Payments [Table Text Block]

Year
2012	$ 3,388
2013	3,636
2014	4,258
2015	4,382
2016	4,382
2017-2021	28,205

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

December 31, 2011
Assets Category		Level 1		Level 2		Level 3		Total
Cash	$	597	$	-	$	-	$	597
Equity securities:
U.K.		21,100		-		-		21,100
North America		7,548		-		-		7,548
Europe (excluding U.K.)		5,818		-		-		5,818
Japan		2,901		-		-		2,901
Pacific Basin (excluding Japan)		2,555		-		-		2,555
Emerging markets		824		-		-		824
Fixed income securities:
Corporate bonds		-		21,908		-		21,908
Index linked securities:
U.K. Treasuries		21,754		-		-		21,754
Other types of investments:
Absolute return funds		11,379		-		-		11,379
Total	$	74,476	$	21,908	$	-	$	96,384