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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified |  | 2 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2013 DPM | Sep. 30, 2013 DPTS | Aug. 31, 2013 Derailment of freight train item | Jul. 06, 2013 Derailment of freight train bbl item | Sep. 30, 2013 Derailment of freight train Accrued expenses and other current liabilities | Sep. 30, 2013 Derailment of freight train Other current assets
Lac-Megantic, Quebec |  |  |  |  |  |
Membership interest in joint venture (as a percent) | 50.00% | 50.00% |  |  |  |
Number of tanker-cars carried by the freight train |  |  |  | 72 |  |
Volume of crude oil (in barrels) |  |  |  | 50,000 |  |
Number of complaints filed |  |  | 20 |  |  |
Liabilities recorded based on estimated losses |  |  |  |  | $ 14.2 |
Receivables for portion of liability recoverable from insurance |  |  |  |  |  | $ 13.4

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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- Definition Carrying amount as of the balance sheet date of known and reasonably estimable amounts of recoveries from third-parties pertaining to an entity's environmental remediation obligations. An entity's balance sheet may include several assets that relate to an environmental remediation obligation. Among them are the following: a. Receivables from other potentially responsible parties that are not providing initial funding; b. anticipated recoveries from insurers; and c. anticipated recoveries from prior owners as a result of indemnification agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6393211&loc=d3e13022-110858 + Details
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