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Employee Benefit Plans Pension Plan Assets by Category (Details)
Dec. 31, 2013
Dec. 31, 2012
United States Pension Plan of US Entity, Defined Benefit [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 100.00% 100.00%
United States Pension Plan of US Entity, Defined Benefit [Member] | Equity Securities [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 42.50% 38.30%
United States Pension Plan of US Entity, Defined Benefit [Member] | Fixed Income Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 48.50% 52.30%
United States Pension Plan of US Entity, Defined Benefit [Member] | Hedge Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 8.80% 8.50%
United States Pension Plan of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 0.20% 0.90%
Foreign Pension Plan, Defined Benefit [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 100.00% 100.00%
Foreign Pension Plan, Defined Benefit [Member] | Equity Securities [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 30.70% 34.80%
Foreign Pension Plan, Defined Benefit [Member] | Fixed Income Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 59.00% 55.10%
Foreign Pension Plan, Defined Benefit [Member] | Hedge Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 10.20% 0.00%
Foreign Pension Plan, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Actual Plan Asset Allocations 0.10% 10.10%