CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Revenues	$ 3,445,110		$ 2,403,743		$ 3,281,790
Costs and Expenses:
Cost of operations	2,980,390		1,842,261		2,781,735
Selling, general and administrative expenses	212,002		216,763		218,063
Loss on asset disposals and impairments	5,488		24,660		785
Gain on asset disposals	(8,478)		(2,440)		(1,699)
Total Costs and Expenses	3,189,402		2,081,244		2,998,884
Equity in loss of unconsolidated affiliates	(4,985)		(7,594)		(3,557)
Operating Income	250,723		314,905		279,349
Other Income (Expense):
Interest income	1,848		1,495		6,021
Interest expense	(529)		(2,584)
Other expense-net	(751)		(10,022)		(15,257)
Total Other Income (Expense)	568		(11,111)		(9,236)
Income from continuing operations before provision for income taxes, discontinued operations and noncontrolling interest	251,291		303,794		270,113
Provision for Income Taxes	87,124	[1]	41,182	[1]	60,561	[1]
Income from continuing operations before discontinued operations and noncontrolling interest	164,167		262,612		209,552
Loss on disposal of discontinued operations	(21,934)		(123,311)		(7,118)
Income from discontinued operations, net of tax	9,122		88,411		188,016
Income (loss) from discontinued operations, net of tax	(12,812)		(34,900)		180,898
Net Income	151,355		227,712		390,450
Less: net income attributable to noncontrolling interest	12,625		26,046		3,394
Net Income Attributable to McDermott International, Inc.	$ 138,730		$ 201,666		$ 387,056
Basic:
Income from continuing operations, less noncontrolling interest	$ 0.65		$ 1.02		$ 0.90
Income (loss) from discontinued operations, net of tax	$ (0.05)		$ (0.15)		$ 0.79
Net Income	$ 0.59		$ 0.87		$ 1.69
Diluted:
Income from continuing operations, less noncontrolling interest	$ 0.64		$ 1.00		$ 0.88
Income (loss) from discontinued operations, net of tax	$ (0.05)		$ (0.15)		$ 0.78
Net Income	$ 0.59		$ 0.85		$ 1.66
Shares Used in the Computation of Earnings per Share:
Basic	234,598,901		232,173,362		229,471,020
Diluted	237,040,507		235,622,029		233,626,876

[1] We have no income tax provision applicable to U.S. federal, state or local jurisdictions.