Description Of Business And Basis Of Presentation [Line Items]

No definition available.

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- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e845-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e848-128460

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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Description of Business and Basis of Presentation - Additional Information (Detail)				3 Months Ended
	Feb. 01, 2018	Sep. 01, 2017	Mar. 01, 2017	Mar. 31, 2018
Description Of Business And Basis Of Presentation [Line Items]
Number of reportable segments				2
Illinois Extension
Description Of Business And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage		35.00%		35.00%
LOOP
Description Of Business And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage		41.00%		41.00%
LOCAP
Description Of Business And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage		59.00%		59.00%
Explorer
Description Of Business And Basis Of Presentation [Line Items]
Equity method investment, ownership percentage		25.00%		25.00%
LOOP LOCAP SAX and Explorer Llc
Description Of Business And Basis Of Presentation [Line Items]
Effective date of acquisition		Sep. 01, 2017
HST & WHC & MPLXT
Description Of Business And Basis Of Presentation [Line Items]
Effective date of acquisition			Mar. 01, 2017
Refining Logistics & Fuels Distribution
Description Of Business And Basis Of Presentation [Line Items]
Effective date of acquisition	Feb. 01, 2018