CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 461,535	$ 640,147
Restricted cash and cash equivalents	21,942	18,116
Accounts receivable-trade, net	443,182	428,800
Accounts receivable-other	65,561	75,461
Contracts in progress	544,404	560,154
Deferred income taxes	6,888	9,765
Assets held for sale	1,396	2,679
Other current assets	42,436	54,667
Total Current Assets	1,587,344	1,789,789
Property, Plant and Equipment	2,155,243	2,115,176
Less accumulated depreciation	(828,223)	(833,385)
Net Property, Plant and Equipment	1,327,020	1,281,791
Investments	18,936	26,750
Goodwill	41,202	41,202
Investments in Unconsolidated Affiliates	35,233	37,435
Assets held for sale	12,243	26,758
Other Assets	159,040	129,902
Total Assets	3,181,018	3,333,627
Current Liabilities:
Notes payable and current maturities of long-term debt	44,025	14,146
Accounts payable	302,250	400,007
Accrued liabilities	332,358	369,418
Advance billings on contracts	206,010	241,696
Deferred income taxes	16,027	10,758
Income taxes payable	70,425	76,986
Total Current Liabilities	971,095	1,113,011
Long-Term Debt	57,188	88,562
Self-Insurance	24,141	22,641
Pension Liability	24,757	25,069
Other Liabilities	136,949	132,239
Commitments and Contingencies
Stockholders' Equity:
Common stock, par value $1.00 per share, authorized 400,000,000 shares; issued 243,778,369 and 243,442,156 shares at March 31, 2013 and December 31, 2012, respectively	243,778	243,442
Capital in excess of par value	1,394,859	1,391,271
Retained earnings	466,309	445,756
Treasury stock, at cost, 7,359,501 and 7,574,903 shares at March 31, 2013 and December 31, 2012, respectively	(99,688)	(98,725)
Accumulated other comprehensive loss	(100,697)	(94,413)
Stockholders' Equity-McDermott International, Inc.	1,904,561	1,887,331
Noncontrolling Interests	62,327	64,774
Total Equity	1,966,888	1,952,105
Total Liabilities and Equity	$ 3,181,018	$ 3,333,627