Pensions (Expected Cash Flows For Pension Plans) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions, 2012	$ 2,000
Benefit Payments, 2012	6,118
Benefit Payments, 2013	5,563
Benefit Payments, 2014	5,802
Benefit Payments, 2015	6,358
Benefit Payments, 2016	6,678
Benefit Payments, 2017 - 2021	34,277
European Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions, 2012	1,258
Benefit Payments, 2012	2,771
Benefit Payments, 2013	1,253
Benefit Payments, 2014	998
Benefit Payments, 2015	1,115
Benefit Payments, 2016	1,075
Benefit Payments, 2017 - 2021	$ 6,329

The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph g

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

Name:	us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant