Goodwill and Other Intangible Assets and Liabilities (Details) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015
USD ($)
$ / bbl
|
Dec. 31, 2014
USD ($)
$ / bbl
|
Mar. 31, 2014
$ / bbl
|
|
Goodwill [Line Items] | |||
Goodwill | $ 276.1 | ||
Goodwill, Impaired, Accumulated Impairment Loss | $ (2,997.9) | ||
Price Per Barrel | $ / bbl | 15 | 35 | 50 |
Asset Impairment Charges, Assumptions Used, Terminal Growth Rate | 3.00% | ||
Asset Impairment Charges, Assumptions Used, Weighted Average Capital Cost | 11.50% | 11.00% | |
Floaters [Member] | |||
Goodwill [Line Items] | |||
Goodwill, Impairment Loss | $ 83.5 | $ (2,997.9) | |
Jackups [Member] | |||
Goodwill [Line Items] | |||
Goodwill, Impairment Loss | $ 192.6 |