Subsequent Events (Narrative) (Details) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
|
Jul. 30, 2015
USD ($)
$ / shares
|
Jul. 02, 2015 |
Jul. 01, 2015
USD ($)
shares
|
Jun. 30, 2015
USD ($)
|
Jun. 30, 2014
USD ($)
|
Jun. 30, 2015
USD ($)
|
Jun. 30, 2014
USD ($)
|
|
| Subsequent Event [Line Items] | |||||||
| Gain on Conveyances | $ 8.3 | $ 0.3 | $ 13.6 | $ 17.8 | |||
| Subsequent Event [Member] | |||||||
| Subsequent Event [Line Items] | |||||||
| Distribution Made to Limited Partner, Distributions Declared, Per Unit | $ / shares | $ 0.1675 | ||||||
| Distribution Made to Limited Partner, Cash Distributions Declared | $ 16.9 | ||||||
| Distribution Made to Limited Partner, Distribution Date | Aug. 20, 2015 | ||||||
| Distribution Made to Limited Partner, Date of Record | Aug. 13, 2015 | ||||||
| Share Distribution, Date | Jul. 01, 2015 | ||||||
| Common Stock, Shares Authorized | shares | 317.6 | ||||||
| Common Stock, Shares, Issued | shares | 317.6 | ||||||
| Distribution Payable Shareholder Date of Record | Jun. 19, 2015 | ||||||
| Stock Trade Date | Jul. 02, 2015 | ||||||
| Acres Conveyed | 20,000 | ||||||
| Gain on Conveyances | $ 35.8 | ||||||