Equity Equity, Earnings Per Unit (Details) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2017
USD ($)
$ / shares
shares
|
Jun. 30, 2016
USD ($)
$ / shares
shares
|
Jun. 30, 2017
USD ($)
$ / shares
shares
|
Jun. 30, 2016
USD ($)
$ / shares
shares
|
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| Net earnings | $ 110.0 | $ 76.0 | [1] | $ 202.0 | $ 161.0 | [1],[2] | |||||||||||
| Special allocations of net earnings (“Special Allocations”) (a) | [3] | 0.0 | 0.0 | 1.0 | 0.0 | ||||||||||||
| Net earnings, including Special Allocations | 110.0 | 76.0 | 203.0 | 161.0 | |||||||||||||
| Distributions greater than earnings | $ (37.0) | $ (47.0) | $ 84.0 | $ 70.0 | |||||||||||||
| Common units - basic | shares | 108.0 | 95.2 | [1] | 106.4 | 94.4 | [1] | |||||||||||
| Common units - diluted | shares | 108.1 | 95.2 | [1] | 106.5 | 94.4 | [1] | |||||||||||
| Common - basic | $ / shares | $ 0.63 | $ 0.48 | [1] | $ 1.15 | $ 1.12 | [1] | |||||||||||
| Common - diluted | $ / shares | $ 0.63 | $ 0.48 | [1] | $ 1.15 | $ 1.12 | [1] | |||||||||||
| Incentive Distribution, Distribution Split Marginal Percentage | 50.00% | ||||||||||||||||
| Incentive Distribution, Minimum Distribution Level | $ / shares | 0.3881 | ||||||||||||||||
| Incentive Distribution, Distribution | $ 12.5 | $ 25.0 | |||||||||||||||
| Net Income (Loss) Attributable To Predecessors | 0.0 | $ (7.0) | [1] | 0.0 | $ (14.0) | [1] | |||||||||||
| General Partner | |||||||||||||||||
| General partner’s distributions | (3.0) | (2.0) | (6.0) | (4.0) | |||||||||||||
| General partner’s IDRs (b) | [4] | (39.0) | (36.0) | (75.0) | (66.0) | ||||||||||||
| Distributions greater than earnings | [5] | 0.0 | (8.0) | (1.0) | (15.0) | ||||||||||||
| Participating Securities, Distributed and Undistributed Earnings (Loss), Basic | 42.0 | 30.0 | 80.0 | 55.0 | |||||||||||||
| Common | |||||||||||||||||
| Special allocations of net earnings (“Special Allocations”) (a) | [3] | 0.0 | 0.0 | 1.0 | 0.0 | ||||||||||||
| Limited partners’ distributions on common units | (105.0) | (85.0) | (206.0) | (161.0) | |||||||||||||
| Distributions greater than earnings | 37.0 | 39.0 | 83.0 | 55.0 | |||||||||||||
| Participating Securities, Distributed and Undistributed Earnings (Loss), Basic | $ 68.0 | $ 46.0 | $ 122.0 | $ 106.0 | |||||||||||||
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