v2.3.0.15

Segment Information (Schedule Of Segment Reporting Information) (Details) (USD $) In Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010 | Dec. 31, 2010
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | $ 915.6 | $ 428.3 | $ 1,841.3 | $ 1,288.3 |
Operating expenses - Contract drilling (exclusive of depreciation) | 477.5 | 194.1 | 955.4 | 582.5 |
Depreciation | 135.8 | 55.6 | 278.8 | 159.2 |
General and administrative | 40.8 | 20.6 | 118.3 | 63.2 |
OPERATING INCOME | 261.5 | 158.0 | 488.8 | 483.4 |
Property and equipment, net | 12,311.7 | 4,986.1 | 12,311.7 | 4,986.1 | 5,049.9
Deepwater [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 440.4 | 110.5 | 770.8 | 361.8 |
Operating expenses - Contract drilling (exclusive of depreciation) | 233.0 | 48.0 | 385.0 | 139.5 |
Depreciation | 73.5 | 11.7 | 123.7 | 31.2 |
General and administrative |  |  |  |  |
OPERATING INCOME | 133.9 | 50.8 | 262.1 | 191.1 |
Property and equipment, net | 8,981.7 | 2,769.8 | 8,981.7 | 2,769.8 |
Midwater [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 121.3 |  | 157.5 |  |
Operating expenses - Contract drilling (exclusive of depreciation) | 72.1 |  | 95.0 |  |
Depreciation | 15.7 |  | 20.9 |  |
General and administrative |  |  |  |  |
OPERATING INCOME | 33.5 |  | 41.6 |  |
Property and equipment, net | 904.1 |  | 904.1 |  |
Jackup [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 330.1 | 317.8 | 882.7 | 926.5 |
Operating expenses - Contract drilling (exclusive of depreciation) | 154.7 | 145.6 | 450.4 | 429.7 |
Depreciation | 44.2 | 43.2 | 129.8 | 125.2 |
General and administrative |  |  |  |  |
OPERATING INCOME | 131.2 | 129.0 | 302.5 | 371.6 |
Property and equipment, net | 2,376.7 | 2,197.5 | 2,376.7 | 2,197.5 |
Other [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 23.8 |  | 30.3 |  |
Operating expenses - Contract drilling (exclusive of depreciation) | 17.7 | 0.5 | 25.0 | 13.3 |
Depreciation | 0.6 | 0.4 | 1.5 | 1.9 |
General and administrative |  |  |  |  |
OPERATING INCOME | 5.5 | (0.9) | 3.8 | (15.2) |
Property and equipment, net | 26.6 | 14.8 | 26.6 | 14.8 |
Operating Segments Total [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 915.6 | 428.3 | 1,841.3 | 1,288.3 |
Operating expenses - Contract drilling (exclusive of depreciation) | 477.5 | 194.1 | 955.4 | 582.5 |
Depreciation | 134.0 | 55.3 | 275.9 | 158.3 |
General and administrative |  |  |  |  |
OPERATING INCOME | 304.1 | 178.9 | 610.0 | 547.5 |
Property and equipment, net | 12,289.1 | 4,982.1 | 12,289.1 | 4,982.1 |
Reconciling Items [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  |  |  |
Operating expenses - Contract drilling (exclusive of depreciation) |  |  |  |  |
Depreciation | 1.8 | 0.3 | 2.9 | 0.9 |
General and administrative | 40.8 | 20.6 | 118.3 | 63.2 |
OPERATING INCOME | (42.6) | (20.9) | (121.2) | (64.1) |
Property and equipment, net | $ 22.6 | $ 4.0 | $ 22.6 | $ 4.0 |

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