v3.3.0.814

Related Party Agreements and Transactions - Receivables from Related Parties (Detail) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Current receivables from related parties	$ 54.9	$ 41.0
MPC [Member]
Related Party Transaction [Line Items]
Current receivables from related parties	54.3	40.5
Centennial [Member]
Related Party Transaction [Line Items]
Current receivables from related parties	0.5	0.3
Muskegon [Member]
Related Party Transaction [Line Items]
Current receivables from related parties	$ 0.1	$ 0.2

X

- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.3(a)(2))



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Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.4-08.(k)(1))



-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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-Section 50



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-Publisher FASB



-Name Accounting Standards Codification



-Topic 850



-SubTopic 10



-Section 50



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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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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X

- Details

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X

- Details

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Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: