Legal Proceedings and Other Contingencies (Details) (Viareggio [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 case	Oct. 02, 2013 Insurance_Provider	Dec. 14, 2012 Corporations Employee	Jun. 29, 2009
Loss Contingencies [Line Items]
Number of casualties				32
Number of subsidiaries			2
Number of Maintenance and Supervisory employees			10.0
Number of Italian railway companies			4
Number of employees			18
Number of insurers		4
Asbestos - related cases pending against the company and its subsidiaries	90
Court Proceedings	1
Legal Fees	$ 0
Percentage of coverage held by Liberty Mutual Insurance Europe Limited		25.00%
Derailed [Member]
Loss Contingencies [Line Items]
number of railcars				14
Overturned [Member]
Loss Contingencies [Line Items]
number of railcars				5
Punctured and Ignited [Member]
Loss Contingencies [Line Items]
number of railcars				1