CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 638,794	$ 570,854
Restricted cash and cash equivalents	23,074	21,962
Investments	28,737	109,522
Accounts receivable-trade, net	548,068	445,808
Accounts receivable-other	63,774	53,386
Contracts in progress	499,339	287,390
Deferred income taxes	11,580	11,931
Other current assets	41,155	36,332
Total Current Assets	1,854,521	1,537,185
Property, Plant and Equipment	2,018,481	1,958,877
Less accumulated depreciation	(819,645)	(857,012)
Net Property, Plant and Equipment	1,198,836	1,101,865
Assets Held for Sale	28,724	55,571
Investments	30,097	29,484
Goodwill	41,202	41,202
Investments in Unconsolidated Affiliates	35,430	42,659
Other Assets	175,233	184,848
Total Assets	3,364,043	2,992,814
Current Liabilities:
Notes payable and current maturities of long-term debt	14,146	8,941
Accounts payable	375,954	315,514
Accrued liabilities	395,234	309,515
Advance billings on contracts	307,144	320,438
Deferred income taxes	13,213	13,187
Income taxes payable	69,383	54,181
Total Current Liabilities	1,175,074	1,021,776
Long-Term Debt	94,140	84,794
Self-Insurance	27,867	23,585
Pension Liability	19,292	21,295
Other Liabilities	124,979	107,652
Commitments and Contingencies
Stockholders' Equity:
Common stock, par value $1.00 per share, authorized 400,000,000 shares; issued 243,419,194 and 242,416,424 shares at September 30, 2012 and December 31, 2011, respectively	243,419	242,416
Capital in excess of par value	1,387,311	1,375,976
Retained earnings	405,212	239,103
Treasury stock, at cost, 7,574,903 and 7,359,983 shares at September 30, 2012 and December 31, 2011, respectively	(98,725)	(95,827)
Accumulated other comprehensive loss	(80,508)	(102,030)
Stockholders' Equity-McDermott International, Inc.	1,856,709	1,659,638
Noncontrolling Interests	65,982	74,074
Total Equity	1,922,691	1,733,712
Total Liabilities and Equity	$ 3,364,043	$ 2,992,814