Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2018

Revenue Recognition

Summary of revenue is disaggregation by geographical region

	Three Months Ended
	September 30, 2018
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	231,935	$	—	$	—	$	42,045	$	45,707	$	—	$	319,687
U.S. Offshore Gulf of Mexico		31,942		—		—		3,345		—		—		35,287
Alaska		10,119		—		—		1,248		209		—		11,576
Canada		—		26,645		—		1,081		3,483		—		31,209
Middle East & Asia		—		—		226,926		9,126		7,882		—		243,934
Latin America		—		—		94,048		3,399		1,604		—		99,051
Europe, Africa & CIS		—		—		56,151		679		4,756		—		61,586
Eliminations & other		—		—		—		—		—		(22,905)		(22,905)
Total	$	273,996	$	26,645	$	377,125	$	60,923	$	63,641	$	(22,905)	$	779,425

	Nine Months Ended
	September 30, 2018
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	655,916	$	—	$	—	$	127,733	$	153,878	$	—	$	937,527
U.S. Offshore Gulf of Mexico		84,997		—		—		9,455		—		—		94,452
Alaska		38,480		—		—		2,691		553		—		41,724
Canada		—		75,974		—		4,797		17,096		—		97,867
Middle East & Asia		—		—		701,292		25,859		19,592		—		746,743
Latin America		—		—		265,738		11,048		5,181		—		281,967
Europe, Africa & CIS		—		—		156,926		1,847		13,331		—		172,104
Eliminations & other		—		—		—		—		—		(96,845)		(96,845)
Total	$	779,393	$	75,974	$	1,123,956	$	183,430	$	209,631	$	(96,845)	$	2,275,539

	Three Months Ended
	September 30, 2017
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	188,947	$	—	$	—	$	32,649	$	45,375	$	—	$	266,971
U.S. Offshore Gulf of Mexico		21,209		—		—		188		—		—		21,397
Alaska		12,591		—		—		1,021		187		—		13,799
Canada		—		18,073		—		1,303		1,499		—		20,875
Middle East & Asia		—		—		219,494		1,461		2,881		—		223,836
Latin America		—		—		99,585		749		—		—		100,334
Europe, Africa & CIS		—		—		55,027		135		90		—		55,252
Eliminations & other		—		—		—		—		—		(40,361)		(40,361)
Total	$	222,747	$	18,073	$	374,106	$	37,506	$	50,032	$	(40,361)	$	662,103

	Nine Months Ended
	September 30, 2017
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	486,297	$	—	$	—	$	81,478	$	140,630	$	—	$	708,405
U.S. Offshore Gulf of Mexico		50,876		—		—		374		—		—		51,250
Alaska		34,852		—		—		3,457		502		—		38,811
Canada		—		63,002		—		4,608		5,038		—		72,648
Middle East & Asia		—		—		638,047		4,583		9,033		—		651,663
Latin America		—		—		296,950		1,879		—		—		298,829
Europe, Africa & CIS		—		—		157,670		321		90		—		158,081
Eliminations & other		—		—		—		—		—		(123,679)		(123,679)
Total	$	572,025	$	63,002	$	1,092,667	$	96,700	$	155,293	$	(123,679)	$	1,856,008

Summary of contract assets, current and long-term contract liabilities

The opening and closing balances of our receivables, contract assets and current and long-term contract liabilities are as follows (in millions):

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
As of December 31, 2017	$	738.0	$	67.0	$	46.9	$	218.4	$	135.0
As of September 30, 2018	$	804.9	$	59.3	$	32.7	$	152.2	$	65.0