CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS:
Cash and cash equivalents	$ 711,327	$ 437,479
Restricted cash	0	15,265
Receivables - trade and other	254,682	269,896
Prepaid expenses and other current assets	43,378	31,646
Deferred tax assets - net	2,955	36,945
Assets of discontinued operations (Note 2)	373,703	984,022
Total current assets	1,386,045	1,775,253
PROPERTY, PLANT AND EQUIPMENT - at cost:
Drilling equipment	5,238,877	3,799,902
Construction in progress	1,046,138	1,584,802
Other property and equipment	137,649	145,698
Property, plant and equipment - gross	6,422,664	5,530,402
Less accumulated depreciation and amortization	1,260,330	1,185,880
Property, plant and equipment - net	5,162,334	4,344,522
Other assets	96,660	97,682
TOTAL ASSETS	6,645,039	6,217,457
CURRENT LIABILITIES:
Current maturities of long-term debt	52,149	52,166
Accounts payable - trade	69,829	66,766
Deferred revenues	20,916	7,748
Accrued compensation and related employee costs	40,118	77,926
Accrued income taxes	141,056	10,847
Accrued interest	25,712	25,962
Other current liabilities	6,184	9,804
Liabilities of discontinued operations (Note 2)	41,467	278,011
Total current liabilities	397,431	529,230
Long-term debt - less current maturities	1,107,983	1,133,745
Other liabilities	273,221	251,145
Deferred income taxes - net	587,729	551,027
Commitments and contingent liabilities (Note 6)	0	0
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Common stock	15,940	15,794
Additional paid-in capital	1,465,419	1,433,999
Retained earnings	2,947,452	2,449,521
Cost of treasury shares	(4,641)	(1,509)
Accumulated other comprehensive loss	(145,495)	(145,495)
Total stockholders' equity	4,278,675	3,752,310
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 6,645,039	$ 6,217,457