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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014
Legal Matters
Estimated amount recoverable due to theft of fuel product	$ 18.0
Derailment of freight train
Legal Matters
Liabilities recorded based on estimated losses	35.3
Receivables for portion of liability recoverable from insurance	34.0
Derailment of freight train | Accrued expenses and other current liabilities
Legal Matters
Liabilities recorded based on estimated losses	19.3
Derailment of freight train | Other current assets
Legal Matters
Receivables for portion of liability recoverable from insurance	$ 24.3

X

- 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



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-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 25

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-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

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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

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-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859



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-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6393211&loc=d3e13022-110858

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