Retirement Plans - Schedule of Assumptions Used (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
United States [Member]
Benefit obligations, Discount rate	4.25%	3.50%
Benefit obligations, Rate of compensation increase	0.00%	0.00%
Net periodic benefit costs, Discount rate	3.50%	4.00%
Net periodic benefit costs, Expected return on plan assets	6.50%	6.50%
Net periodic benefit costs, Rate of compensation increase	0.00%	0.00%
Foreign Plan [Member]
Benefit obligations, Discount rate	1.70%	1.56%
Benefit obligations, Rate of compensation increase	0.00%	0.00%
Net periodic benefit costs, Discount rate	1.70%	1.56%
Net periodic benefit costs, Expected return on plan assets	3.50%	3.50%
Net periodic benefit costs, Rate of compensation increase	0.00%	0.00%