Employee Benefits Plans (Details 1)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. Plans [Member]
Summary of weighted-average actuarial assumptions used in determining annual pension expense
Discount rate	5.00%	4.10%	4.90%
Rate of increase in compensation levels	3.00%	4.00%	4.00%
Expected long-term rate of return on plan assets	6.50%	6.80%	7.05%
Gain and loss amortization in years	23 years	23 years	24 years
Foreign Plans [Member]
Summary of weighted-average actuarial assumptions used in determining annual pension expense
Discount rate	4.57%	4.43%	4.76%
Rate of increase in compensation levels	3.09%	3.55%	3.54%
Expected long-term rate of return on plan assets	5.94%	6.57%	6.00%
Gain and loss amortization in years	27 years	26 years	27 years