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Commitments and Contingencies (Environmental Matters) (Details) - Environmental Litigation [Member] | 1 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2014 mi | Dec. 25, 2015 counterparty mi
Loss Contingencies [Line Items] |  |
Number of miles pertaining to Passaic River tidal reach required to be studied by EPA |  | 17
Number of potentially responsible parties in connection with environmental liability | counterparty |  | 55
Number of miles under study | 8 |

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- Definition Number Of Potentially Responsible Parties In Connection With Environmental Liabilities For Operations Conducted Near Passaic River + References No definition available. + Details
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- Definition Number of miles on the Passaic River tidal reach required to be studied as determined by the US Environmental Protection Agency. + References No definition available. + Details
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- Definition Site Contingency, Number of Miles Under Study + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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