Legal Proceedings and Other Contingencies (Details) - Viareggio [Member] $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)	Jun. 29, 2009 Car
Loss Contingencies [Line Items]
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims | $	$ 1.4
Asbestos - related cases pending against the company and its subsidiaries	56
Derailed [Member]
Loss Contingencies [Line Items]
Number of railars		14
Overturned [Member]
Loss Contingencies [Line Items]
Number of railars		5
Punctured and Ignited [Member]
Loss Contingencies [Line Items]
Number of railars		1