Pension and Other Postretirement Benefits (Details 7) - Pension Plan [Member]	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Domestic Plan [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.40%	3.90%
Increase in compensation	2.56%	2.56%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	3.90%	4.50%	4.65%
Long-term rate of return	7.75%	7.75%	8.25%
Increase in compensation	2.56%	2.56%	3.71%
Foreign Plan [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.07%	1.90%
Increase in compensation	2.72%	2.17%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	1.90%	1.60%	2.80%
Long-term rate of return	4.09%	3.59%	4.73%
Increase in compensation	2.17%	2.29%	2.71%