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Administrative and judicial proceedings at sites.

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Number of Casualties

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Number of Companies

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Number of Insurance Providers

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Number of railcars

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Number of Subsidiaries

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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The number of claims settled and dismissed during the period.

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Legal Proceedings and Other Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		12 Months Ended
	Dec. 31, 2012 Site LegalMatter	Dec. 31, 2011	Dec. 31, 2012 Viareggio [Member] LegalMatter	Jun. 28, 2012 Viareggio [Member] Employee Insurance_Provider Subsidiaries Company	Jun. 29, 2009 Viareggio [Member] Car	Jan. 31, 2013 Asbestos Cases [Member] Pending Litigation [Member] LegalMatter	Jan. 31, 2013 Asbestos Cases [Member] Pending Litigation [Member] Jones Act claims [Member] LegalMatter	Jun. 29, 2009 Derailed [Member] Viareggio [Member] Car	Jun. 29, 2009 Overturned [Member] Viareggio [Member] Car	Jun. 29, 2009 Punctured and Ignited [Member] Viareggio [Member] Car	Jun. 29, 2009 Broken Axle [Member] Viareggio [Member] Car	Jun. 28, 2012 Will Not Reimburse the Costs of Criminal Defense [Member] Viareggio [Member] Insurance_Provider
Loss Contingencies [Line Items]
Number of tank cars								14	5	1	1
Number of casualties					32
Number of subsidiaries				2
Number of companies				4
Number of employees				18
Number of insurers				11								1
Asbestos - related cases pending against the company and its subsidiaries						188	156
New cases filed number			12
Cases dismissed or settled	18
Accruals for losses related to probable litigation matters	$ 2.0
Number of sites for which the Company is involved in environmental remediation	17
Accruals for remediation and restoration	$ 15.6	$ 16.7