Employee Benefit Plans Pension Plan Assets by Category (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
United States Pension Plan of US Entity [Member]
Defined Benefit Plan Disclosure [Line Items]
Actual Plan Asset Allocations	100.00%	100.00%
United States Pension Plan of US Entity [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	30% - 65%
Actual Plan Asset Allocations	34.80%	33.10%
United States Pension Plan of US Entity [Member] | Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	35% - 55%
Actual Plan Asset Allocations	46.20%	47.30%
United States Pension Plan of US Entity [Member] | Hedge Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0% - 20%
Actual Plan Asset Allocations	17.80%	18.30%
United States Pension Plan of US Entity [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0% - 5%
Actual Plan Asset Allocations	1.20%	1.30%
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Actual Plan Asset Allocations	100.00%	100.00%
Foreign Pension Plan [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	25% - 35%
Actual Plan Asset Allocations	26.70%	28.70%
Foreign Pension Plan [Member] | Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	55% - 65%
Actual Plan Asset Allocations	52.00%	61.10%
Foreign Pension Plan [Member] | Hedge Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	5% - 15%
Actual Plan Asset Allocations	9.60%	10.10%
Foreign Pension Plan [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0% - 5%
Actual Plan Asset Allocations	11.70%	0.10%