Employee Benefit Plans (Weighted-average Assumptions Used) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Pension Benefits [Member]
Weighted-average assumptions used to determine benefit obligations as of December 31:
Discount rate	3.19%	4.32%
Rate of compensation increase	4.23%	4.23%
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31:
Discount rate - service cost	3.96%	3.48%	3.96%
Discount rate - interest cost	3.67%	3.22%	3.51%
Expected long-term return on plan assets	6.50%	6.50%	7.50%
Rate of compensation increase	4.23%	4.23%	4.23%
Foreign Plan [Member]
Weighted-average assumptions used to determine benefit obligations as of December 31:
Discount rate	2.15%	2.93%
Rate of compensation increase	3.20%	3.77%
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31:
Discount rate - service cost	1.60%	1.32%	1.34%
Discount rate - interest cost	2.98%	2.67%	2.75%
Expected long-term return on plan assets	3.92%	4.19%	4.40%
Rate of compensation increase	3.77%	3.62%	3.78%