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Number of environmental sites notified of potential responsibility for study and clean-up costs governed by the Superfund law (and analogous state laws) for which investigation and remediation payments are or will be made or are yet to be determined, and , in many instances, is one of several potentially responsible parties.

No definition available.

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May incur significant capital and operating costs associated with environmental regulatory compliance and clean-up requirements in its railroad operations and relating to its past and present ownership, operation and control of real property.

No definition available.

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

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

No definition available.

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The Increase or Decrease in the accrual for environmental loss contingencies during the reporting period related to currency translations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The aggregate amount disbursed during the reporting period to settle environmental loss contingencies.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of environmental remediation costs capitalized. These expenditures may relate to long-lived improvements in operating facilities.

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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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Estimated time frame of disbursements over which the accrued or presently unrecognized amounts may be paid out for an individual site.

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