CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010		Sep. 30, 2011	Sep. 30, 2010
Net income	$ 16,241	$ 30,650	[1]	$ 162,104	$ 180,375	[1]
Other comprehensive income (loss), net of tax:
Amortization of benefit plan costs	4,080	9,911	[1]	14,136	39,404	[1]
Unrealized gain on benefit plan revaluation				9,883
Unrealized gain (loss) on investments	(753)	927	[1]	(117)	1,992	[1]
Realized (gain) loss on investments		(83)	[1]	20	79	[1]
Translation adjustments	(11,277)	(16,700)	[1]	(7,246)	(24,355)	[1]
Unrealized gain (loss) on derivatives	(6,536)	14,845	[1]	4,842	1,528	[1]
Realized (gain) loss on derivatives	288	(3,072)	[1]	142	1,727	[1]
Other comprehensive income, net of tax	(14,198)	5,828	[1]	21,660	20,375	[1]
Total Comprehensive Income	2,043	36,478	[1]	183,764	200,750	[1]
Less: Comprehensive Income Attributable to Noncontrolling Interests	4,703	9,856	[1]	14,328	23,597	[1]
Comprehensive Income (Loss) Attributable to McDermott International, Inc.	$ (2,660)	$ 26,622	[1]	$ 169,436	$ 177,153	[1]

[1] Amortization of benefit plan costs for the three-month and nine-month periods ended September 30, 2010 is shown net of tax of $2.4 million and $18.6 million, respectively. The tax impact on other amounts presented is not significant.