Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2021

Revenue Recognition

Summary of revenue is disaggregation by geographical region

	Three Months Ended
	March 31, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	109,534	$	—	$	—	$	18,448	$	12,539	$	—	$	140,521
U.S. Offshore Gulf of Mexico		27,193		—		—		2,736		—		—		29,929
Alaska		5,572		—		—		136		—		—		5,708
Canada		—		20,989		—		454		900		—		22,343
Middle East & Asia		—		—		168,187		8,991		9,078		—		186,256
Latin America		—		—		55,908		4,567		12		—		60,487
Europe, Africa & CIS		—		—		22,743		374		3,219		—		26,336
Eliminations & other		—		—		—		—		—		(11,069)		(11,069)
Total	$	142,299	$	20,989	$	246,838	$	35,706	$	25,748	$	(11,069)	$	460,511

	Three Months Ended
	March 31, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	220,229	$	—	$	—	$	35,715	$	20,531	$	—	$	276,475
U.S. Offshore Gulf of Mexico		39,056		—		—		3,165		—		—		42,221
Alaska		15,616		—		—		986		(9)		—		16,593
Canada		—		25,591		—		729		1,612		—		27,932
Middle East & Asia		—		—		201,177		11,037		15,554		—		227,768
Latin America		—		—		84,219		2,827		152		—		87,198
Europe, Africa & CIS		—		—		51,714		925		4,310		—		56,949
Eliminations & other		—		—		—		—		—		(16,772)		(16,772)
Total	$	274,901	$	25,591	$	337,110	$	55,384	$	42,150	$	(16,772)	$	718,364

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

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
	(In millions)
As of December 31, 2020	$	427.2	$	23.5	$	6.8	$	42.8	$	44.2
As of March 31, 2021	$	393.5	$	29.9	$	8.0	$	59.9	$	40.0