Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2011

Derivative Financial Instruments [Abstract]

Amounts recognized in our consolidated statements of operations related to our forex contracts designated as accounting hedges

	Amount of Gain (Loss) Recognized in Income
	Three Months Ended				Nine Months Ended
	September 30,				September 30,
Location of Gain (Loss)	2011		2010		2011		2010
Recognized in Income	(In thousands)
Contract drilling expense	$	2,362	$	1,467	$	9,593	$	1,924

Fair values of our derivative financial instruments

	Fair Value				Balance Sheet Location		Fair Value
	September 30,		December 31,				September 30,			December 31,
Balance Sheet Location	2011		2010				2011			2010
	(In thousands)						(In thousands)
Prepaid expenses and other current assets	$	236	$	4,326		Accrued liabilities	$	(13,880	)	$	(121	)

Amounts recognized in our Consolidated Balance Sheets and Consolidated Statements of Operations related to our FOREX contracts designated as cash flow hedges

	For The Three Months Ended					For The Nine Months Ended
	September 30,					September 30,
	2011			2010		2011			2010
				(In thousands)
Amount of gain (loss) recognized in AOCGL on derivative (effective portion)	$	(17,263	)	$	5,550	$	(5,443	)	$	535
Location of gain (loss) reclassified from AOCGL into income (effective portion)	Contract drilling expense			Contract drilling expense		Contract drilling expense			Contract drilling expense
Amount of gain (loss) reclassified from AOCGL into income (effective portion)	$	4,792		$	178	$	12,407		$	1,300
Location of Gain Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Foreign currency transaction gain (loss)			Foreign currency transaction gain (loss)		Foreign currency transaction gain (loss)			Foreign currency transaction gain (loss)
Amount of Gain Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	$	—		$	—	$	—		$	—