Employee Benefit Plans (Weighted-average Assumptions Used) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pension Benefits [Member]
Weighted-average assumptions used to determine benefit obligations as of December 31:
Discount rate	4.51%	4.04%
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	3.97%	4.88%	3.97%
Expected long-term return on plan assets	7.50%	8.00%	8.00%
Rate of compensation increase	4.23%	4.23%	4.23%
Other Benefits [Member]
Weighted-average assumptions used to determine benefit obligations as of December 31:
Discount rate	3.55%	3.23%
Rate of compensation increase	0.00%	0.00%
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31:
Discount rate	3.23%	3.57%	2.72%
Expected long-term return on plan assets	0.00%	0.00%	0.00%
Rate of compensation increase	0.00%	0.00%	0.00%
Foreign Pension Benefits [Member]
Weighted-average assumptions used to determine benefit obligations as of December 31:
Discount rate	3.59%	3.45%
Rate of compensation increase	3.70%	3.66%
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31:
Discount rate	4.12%	4.38%	4.12%
Expected long-term return on plan assets	5.22%	6.32%	6.05%
Rate of compensation increase	3.48%	3.31%	3.48%