Employee Benefits Plans (Details 1)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U.S.
Summary of weighted-average actuarial assumptions used in determining annual pension expense
Discount rate	4.15%	5.00%	4.10%
Rate of increase in compensation levels	3.00%	3.00%	4.00%
Expected long-term rate of return on plan assets	5.95%	6.50%	6.80%
Gain and loss amortization period (years)	23 years	23 years	23 years
Foreign
Summary of weighted-average actuarial assumptions used in determining annual pension expense
Discount rate	3.70%	4.57%	4.43%
Rate of increase in compensation levels	3.10%	3.09%	3.55%
Expected long-term rate of return on plan assets	5.50%	5.94%	6.57%
Gain and loss amortization period (years)	27 years	27 years	26 years