Pension and Other Post-Retirement Benefits (Details 7) - Foreign Pension Plans, Defined Benefit [Member]	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Weighted-average asset allocations of its foreign funded pension plan
Target asset allocation percentage	100.00%
Actual plan asset allocations	100.00%	100.00%
Equity Securities [Member]
Weighted-average asset allocations of its foreign funded pension plan
Target asset allocation percentage	36.80%
Actual plan asset allocations	37.70%	36.80%
Debt Securities [Member]
Weighted-average asset allocations of its foreign funded pension plan
Target asset allocation percentage	63.20%
Actual plan asset allocations	62.30%	63.20%