v2.4.0.6
Condensed Consolidated Statements Of Income (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2011
Mar. 31, 2010
Condensed Consolidated Statements Of Income [Abstract]    
OPERATING REVENUES $ 361.5 $ 448.6
OPERATING EXPENSES    
Contract drilling (exclusive of depreciation expense) 191.6 182.4
Depreciation 59.5 51.7
General and administrative 30.1 20.6
Total operating expenses 281.2 254.7
OPERATING INCOME 80.3 193.9
OTHER INCOME, NET 2.2 3.1
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES 82.5 197.0
PROVISION FOR INCOME TAXES    
Current income tax expense 26.3 23.2
Deferred income tax (benefit) expense (9.3) 11.8
Total provision for income taxes 17.0 35.0
INCOME FROM CONTINUING OPERATIONS 65.5 162.0
DISCONTINUED OPERATIONS    
Income from discontinued operations, net    0.4
Gain on disposal of discontinued operations, net   29.2
Income from discontinued operations   29.6
NET INCOME 65.5 191.6
NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS (0.9) (1.8)
NET INCOME ATTRIBUTABLE TO ENSCO 64.6 189.8
EARNINGS PER SHARE - BASIC    
Continuing operations $ 0.45 $ 1.12
Discontinued operations    $ 0.21
Total earnings per share - basic $ 0.45 $ 1.33
EARNINGS PER SHARE - DILUTED    
Continuing operations $ 0.45 $ 1.12
Discontinued operations    $ 0.21
Total earnings per share - diluted $ 0.45 $ 1.33
NET INCOME ATTRIBUTABLE TO ENSCO SHARES    
Basic 63.6 187.4
Diluted $ 63.6 $ 187.4
WEIGHTED-AVERAGE SHARES OUTSTANDING    
Basic 141.2 140.7
Diluted 141.4 140.8
CASH DIVIDENDS PER SHARE $ 0.35 $ 0.025