CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 644,060	$ 570,854
Restricted cash and cash equivalents	24,024	21,962
Investments	48,970	109,522
Accounts receivable-trade, net	402,503	445,808
Accounts receivable-other	62,478	53,386
Contracts in progress	471,010	287,390
Deferred income taxes	12,316	11,931
Assets held for sale		3,197
Other current assets	38,349	33,135
Total Current Assets	1,703,710	1,537,185
Property, Plant and Equipment	2,087,422	1,958,877
Less accumulated depreciation	(898,635)	(857,012)
Net Property, Plant and Equipment	1,188,787	1,101,865
Assets Held for Sale		55,571
Investments	31,661	29,484
Goodwill	41,202	41,202
Investments in Unconsolidated Affiliates	37,873	42,659
Other Assets	187,809	184,848
Total Assets	3,191,042	2,992,814
Current Liabilities:
Notes payable and current maturities of long-term debt	14,573	8,941
Accounts payable	318,743	315,514
Accrued liabilities	337,076	309,515
Advance billings on contracts	353,457	320,438
Deferred income taxes	13,195	13,187
Income taxes payable	55,197	54,181
Total Current Liabilities	1,092,241	1,021,776
Long-Term Debt	95,207	84,794
Self-Insurance	26,214	23,585
Pension Liability	19,652	21,295
Other Liabilities	123,168	107,652
Commitments and Contingencies
Stockholders' Equity:
Common stock, par value $1.00 per share, authorized 400,000,000 shares; issued 243,379,604 and 242,416,424 shares at June 30, 2012 and December 31, 2011, respectively	243,380	242,416
Capital in excess of par value	1,383,538	1,375,976
Retained earnings	354,600	239,103
Treasury stock, at cost, 7,874,779 and 7,359,983 shares at June 30, 2012 and December 31, 2011, respectively	(98,723)	(95,827)
Accumulated other comprehensive loss	(110,540)	(102,030)
Stockholders' Equity-McDermott International, Inc.	1,772,255	1,659,638
Noncontrolling Interests	62,305	74,074
Total Equity	1,834,560	1,733,712
Total Liabilities and Equity	$ 3,191,042	$ 2,992,814