Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 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 (Loss) Gain Recognized in Income
	Three Months Ended					Six Months Ended
	June 30,					June 30,
Location of Gain (Loss) Recognized in Income	2011		2010			2011		2010
	(In thousands)
Contract drilling expense	$	5,405	$	(1,643	)	$	7,231	$	457

Fair values of our derivative financial instruments

Balance Sheet	Fair Value				Balance Sheet	Fair Value
Location	June 30, 2011		December 31, 2010		Location	June 30, 2011		December 31, 2010
	(In thousands)					(In thousands)
Prepaid expenses and other current assets	$	8,410	$	4,326	Accrued liabilities	$	—	$	(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 Six Months Ended
	June 30,					June 30,
	2011		2010			2011		2010
	(In thousands)
Amount of gain (loss) recognized in AOCG on derivative (effective portion)	$	7,143	$	(5,226	)	$	11,820	$	(5,015	)
Location of gain (loss) reclassified from AOCG into income (effective portion)	Contract drilling expense		Contract drilling expense			Contract drilling expense		Contract drilling expense
Amount of gain (loss) reclassified from AOCG into income (effective portion)	$	5,448	$	(548	)	$	7,615	$	1,122
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)	$	—	$	—		$	—	$	—