CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 892,560	$ 437,479
Restricted cash	0	15,265
Receivables - trade and other	325,164	269,896
Prepaid expenses and other current assets	48,427	31,646
Deferred tax assets - net	0	36,945
Assets of discontinued operations (Note 2)	39,940	984,022
Total current assets	1,306,091	1,775,253
PROPERTY, PLANT AND EQUIPMENT - at cost:
Drilling equipment	5,346,519	3,799,902
Construction in progress	1,171,261	1,584,802
Other property and equipment	140,542	145,698
Property, plant and equipment - gross	6,658,322	5,530,402
Less accumulated depreciation and amortization	1,310,464	1,185,880
Property, plant and equipment - net	5,347,858	4,344,522
Other assets	104,580	97,682
TOTAL ASSETS	6,758,529	6,217,457
CURRENT LIABILITIES:
Current maturities of long-term debt	45,023	52,166
Accounts payable - trade	95,574	66,766
Deferred revenues	39,721	7,748
Accrued compensation and related employee costs	26,765	77,926
Accrued income taxes	223,199	10,847
Accrued interest	11,016	25,962
Other current liabilities	6,692	9,804
Liabilities of discontinued operations (Note 2)	34,030	278,011
Total current liabilities	482,020	529,230
Long-term debt - less current maturities	1,102,935	1,133,745
Other liabilities	291,849	251,145
Deferred income taxes - net	483,202	551,027
Commitments and contingent liabilities (Note 6)	0	0
STOCKHOLDERS' EQUITY:
Preferred stock, $1.00 par value, 5,000,000 shares authorized, issuable in series: Series A Junior Preferred Stock, 1,500,000 shares authorized, none issued	0	0
Common stock, $0.125 par value, 150,000,000 shares authorized; 127,548,322 shares and 126,346,627 shares issued at September 30, 2011 and December 31, 2010, respectively	15,944	15,794
Additional paid-in capital	1,470,850	1,433,999
Retained earnings	3,141,261	2,449,521
Cost of 2,584,114 and 52,408 treasury shares, respectively	(84,037)	(1,509)
Accumulated other comprehensive loss	(145,495)	(145,495)
Total stockholders' equity	4,398,523	3,752,310
TOTAL LIABILITIES AND EQUITY	$ 6,758,529	$ 6,217,457