CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues	$ 807,488	$ 727,678
Costs and Expenses:
Cost of operations	712,814	597,434
Selling, general and administrative expenses	52,226	46,611
Gain on asset disposals	(14,716)	(226)
Total costs and expenses	750,324	643,819
Equity in Loss of Unconsolidated Affiliates	(4,131)	(3,683)
Operating Income	53,033	80,176
Other Income (Expense):
Interest income	342	1,634
Gain (loss) on foreign currency-net	(2,526)	9,441
Other income (expense)-net	782	(581)
Total other income (expense)	(1,402)	10,494
Income from continuing operations before provision for income taxes and noncontrolling interests	51,631	90,670
Provision for Income Taxes	27,313	28,743
Income from continuing operations before noncontrolling interests	24,318	61,927
Gain on disposal of discontinued operations		257
Income from discontinued operations, net of tax		3,240
Total income from discontinued operations, net of tax		3,497
Net income	24,318	65,424
Less: Net Income Attributable to Noncontrolling Interests	3,765	2,666
Net income attributable to McDermott International, Inc.	$ 20,553	$ 62,758
Basic:
Income from continuing operations, less noncontrolling interests	$ 0.09	$ 0.25
Income from discontinued operations, net of tax		$ 0.01
Net income attributable to McDermott International, Inc.	$ 0.09	$ 0.27
Diluted:
Income from continuing operations, less noncontrolling interests	$ 0.09	$ 0.25
Income from discontinued operations, net of tax		$ 0.01
Net income attributable to McDermott International, Inc.	$ 0.09	$ 0.26
Shares used in the computation of earnings per share:
Basic	235,941,185	235,208,252
Diluted	239,199,881	237,332,627