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Guarantee Of Registered Securities (Condensed Consolidating Statements Of Cash Flows) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014
OPERATING ACTIVITIES |  |
Net cash (used in) provided by operating activities of continuing operations | $ 1,274.6 | $ 1,512.7
INVESTING ACTIVITIES |  |
Additions to property and equipment | (1,445.8) | (1,245.1)
Maturities of short-term investments | 757.3 | 50.0
Payments to Acquire Marketable Securities | (850.0) | (45.3)
Other | 1.4 | 9.8
Net cash used in investing activities of continuing operations | (1,537.1) | (1,230.6)
FINANCING ACTIVITIES |  |
Proceeds from Issuance of Senior Long-term Debt | 1,078.7 | 1,246.4
Cash dividends paid | (105.9) | (526.7)
Proceeds from Issuance of Secured Debt |  | 1,246.4
Reduction of long-term borrowings | (1,072.5) | (30.9)
Payments of Debt Issuance Costs | (10.5) | (11.3)
Advances from (to) affiliates | 0.0 | 0.0
Payments of Financing Costs |  | (11.3)
Payments of Debt Extinguishment Costs | (30.3) | 0.0
Other | (8.4) | (17.6)
Net cash (used in) provided by financing activities | (148.9) | 659.9
DISCONTINUED OPERATIONS |  |
Operating activities | (12.7) | 10.6
Investing activities | (0.3) | 55.5
Net cash provided by discontinued operations | (13.0) | 66.1
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (424.4) | 1,008.1
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 664.8 | 165.6
CASH AND CASH EQUIVALENTS, END OF PERIOD | 240.4 | 1,173.7
Ensco Plc [Member] |  |
OPERATING ACTIVITIES |  |
Net cash (used in) provided by operating activities of continuing operations | (34.2) | (82.2)
INVESTING ACTIVITIES |  |
Additions to property and equipment | 0.0 |
Maturities of short-term investments | 712.0 |
Payments to Acquire Marketable Securities | (850.0) |
Net cash used in investing activities of continuing operations | (138.0) |
FINANCING ACTIVITIES |  |
Proceeds from Issuance of Senior Long-term Debt | 1,078.7 |
Cash dividends paid | (105.9) | (526.7)
Proceeds from Issuance of Secured Debt |  | 1,246.4
Reduction of long-term borrowings | (1,072.5) | 0.0
Payments of Debt Issuance Costs | (10.5) |
Advances from (to) affiliates | 175.0 | (295.5)
Payments of Financing Costs |  | (11.3)
Payments of Debt Extinguishment Costs | (30.3) |
Other | (5.2) | (10.2)
Net cash (used in) provided by financing activities | 29.3 | 402.7
DISCONTINUED OPERATIONS |  |
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (142.9) | 320.5
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 287.4 | 46.5
CASH AND CASH EQUIVALENTS, END OF PERIOD | 144.5 | 367.0
ENSCO International Inc. [Member] |  |
OPERATING ACTIVITIES |  |
Net cash (used in) provided by operating activities of continuing operations | (7.1) | (91.7)
INVESTING ACTIVITIES |  |
Additions to property and equipment | 0.0 | (28.1)
Maturities of short-term investments | 0.0 |
Payments to Acquire Marketable Securities | 0.0 | 0.0
Other | 0.0 |
Net cash used in investing activities of continuing operations | 0.0 | (28.1)
FINANCING ACTIVITIES |  |
Proceeds from Issuance of Senior Long-term Debt | 0.0 |
Cash dividends paid | 0.0 | 0.0
Reduction of long-term borrowings | 0.0 | 0.0
Payments of Debt Issuance Costs | 0.0 |
Advances from (to) affiliates | 7.2 | 119.3
Payments of Financing Costs |  | 0.0
Payments of Debt Extinguishment Costs | 0.0 |
Other | 0.0 | 0.0
Net cash (used in) provided by financing activities | 7.2 | 119.3
DISCONTINUED OPERATIONS |  |
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 0.1 | (0.5)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 0.0 | 0.5
CASH AND CASH EQUIVALENTS, END OF PERIOD | 0.1 | 0.0
Pride International, Inc. [Member] |  |
OPERATING ACTIVITIES |  |
Net cash (used in) provided by operating activities of continuing operations | (86.1) | (76.7)
INVESTING ACTIVITIES |  |
Additions to property and equipment | 0.0 |
Maturities of short-term investments | 0.0 |
Payments to Acquire Marketable Securities | 0.0 | 0.0
FINANCING ACTIVITIES |  |
Proceeds from Issuance of Senior Long-term Debt | 0.0 |
Cash dividends paid | 0.0 | 0.0
Reduction of long-term borrowings | 0.0 | 0.0
Payments of Debt Issuance Costs | 0.0 |
Advances from (to) affiliates | 9.9 | 414.8
Payments of Financing Costs |  | 0.0
Payments of Debt Extinguishment Costs | 0.0 |
Other | 0.0 | 0.0
Net cash (used in) provided by financing activities | 9.9 | 414.8
DISCONTINUED OPERATIONS |  |
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (76.2) | 338.1
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 90.8 | 4.9
CASH AND CASH EQUIVALENTS, END OF PERIOD | 14.6 | 343.0
Other Non-Guarantor Subsidiaries Of Ensco [Member] |  |
OPERATING ACTIVITIES |  |
Net cash (used in) provided by operating activities of continuing operations | 1,402.0 | 1,763.3
INVESTING ACTIVITIES |  |
Additions to property and equipment | (1,445.8) | (1,217.0)
Maturities of short-term investments | 45.3 | 50.0
Payments to Acquire Marketable Securities | 0.0 | (45.3)
Other | 1.4 | 9.8
Net cash used in investing activities of continuing operations | (1,399.1) | (1,202.5)
FINANCING ACTIVITIES |  |
Proceeds from Issuance of Senior Long-term Debt | 0.0 |
Cash dividends paid | 0.0 | 0.0
Reduction of long-term borrowings | 0.0 | (30.9)
Payments of Debt Issuance Costs | 0.0 |
Advances from (to) affiliates | (192.1) | (238.6)
Payments of Financing Costs |  | 0.0
Payments of Debt Extinguishment Costs | 0.0 |
Other | (3.2) | (7.4)
Net cash (used in) provided by financing activities | (195.3) | (276.9)
DISCONTINUED OPERATIONS |  |
Operating activities | (12.7) | 10.6
Investing activities | (0.3) | 55.5
Net cash provided by discontinued operations | (13.0) | 66.1
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (205.4) | 350.0
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 286.6 | 113.7
CASH AND CASH EQUIVALENTS, END OF PERIOD | 81.2 | 463.7
Consolidating Adjustments [Member] |  |
FINANCING ACTIVITIES |  |
Proceeds from Issuance of Senior Long-term Debt | 0.0 |
Cash dividends paid | 0.0 | 0.0
Reduction of long-term borrowings | 0.0 | 0.0
Payments of Debt Issuance Costs | 0.0 |
Advances from (to) affiliates | 0.0 |
Payments of Financing Costs |  | 0.0
Payments of Debt Extinguishment Costs | 0.0 |
Other | $ 0.0 | $ 0.0

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