v3.8.0.1

Organization and Basis of Presentation WNRL Acquisition (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 30, 2017 | Sep. 30, 2017 | Sep. 30, 2016 | [1] | Sep. 30, 2017 | Sep. 30, 2016 | [1] | Dec. 31, 2016 | Feb. 27, 2017
Operating Income (Loss) |  | $ 151.0 | $ 127.0 | $ 467.0 | $ 364.0 |  |
Incentive Distribution, Distribution |  |  |  | $ 38.0 |  | $ 12.5 |
Common units issued (units) |  | 108,075,130 |  | 108,075,130 |  | 102,981,495 | 5,000,000
Subsequent Event | WNRL Merger |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 0.4921 |  |  |  |  |  |
Subsequent Event | Minimum |  |  |  |  |  |  |
Incentive Distribution, Distribution | $ 60.0 |  |  |  |  |  |
Subsequent Event | Maximum [Member] |  |  |  |  |  |  |
Incentive Distribution, Distribution | $ 160.0 |  |  |  |  |  |
IDR/GP Transaction | Subsequent Event |  |  |  |  |  |  |
Common units issued (units) | 78,000,000 |  |  |  |  |  |
Western Refining Logistics [Member] | Subsequent Event | WNRL Merger |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 0.5233 |  |  |  |  |  |
Andeavor [Member] | Subsequent Event | WNRL Merger |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 0.4639 |  |  |  |  |  |
[1] | Adjusted to include the historical results of the Predecessors. See Note 1 for further discussion.

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