Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2019

Revenue Recognition

Summary of revenue is disaggregation by geographical region

	Three Months Ended
	June 30, 2019
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	268,788	$	—	$	—	$	46,649	$	50,162	$	—	$	365,599
U.S. Offshore Gulf of Mexico		38,727		—		—		2,765		—		—		41,492
Alaska		15,887		—		—		921		244		—		17,052
Canada		—		11,389		—		382		2,422		—		14,193
Middle East & Asia		—		—		185,077		9,422		13,263		—		207,762
Latin America		—		—		88,792		3,426		462		—		92,680
Europe, Africa & CIS		—		—		53,036		1,018		6,198		—		60,252
Eliminations & other		—		—		—		—		—		(27,624)		(27,624)
Total	$	323,402	$	11,389	$	326,905	$	64,583	$	72,751	$	(27,624)	$	771,406

	Six Months Ended
	June 30, 2019
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	527,659	$	—	$	—	$	90,697	$	104,902	$	—	$	723,258
U.S. Offshore Gulf of Mexico		80,208		—		—		7,010		—		—		87,218
Alaska		35,744		—		—		2,649		546		—		38,939
Canada		—		36,704		—		1,056		5,049		—		42,809
Middle East & Asia		—		—		373,045		19,929		23,862		—		416,836
Latin America		—		—		181,159		6,657		1,382		—		189,198
Europe, Africa & CIS		—		—		109,957		2,007		8,763		—		120,727
Eliminations & other		—		—		—		—		—		(47,939)		(47,939)
Total	$	643,611	$	36,704	$	664,161	$	130,005	$	144,504	$	(47,939)	$	1,571,046

	Three Months Ended
	June 30, 2018
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	219,389	$	—	$	—	$	41,418	$	57,573	$	—	$	318,380
U.S. Offshore Gulf of Mexico		32,064		—		—		2,810		—		—		34,874
Alaska		12,942		—		—		877		208		—		14,027
Canada		—		17,442		—		1,425		10,222		—		29,089
Middle East & Asia		—		—		240,508		9,007		6,503		—		256,018
Latin America		—		—		87,809		3,665		1,919		—		93,393
Europe, Africa & CIS		—		—		49,669		657		4,896		—		55,222
Eliminations & other		—		—		—		—		—		(39,083)		(39,083)
Total	$	264,395	$	17,442	$	377,986	$	59,859	$	81,321	$	(39,083)	$	761,920

	Six Months Ended
	June 30, 2018
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	423,981	$	—	$	—	$	85,687	$	108,174	$	—	$	617,842
U.S. Offshore Gulf of Mexico		53,055		—		—		6,109		—		—		59,164
Alaska		28,361		—		—		1,443		344		—		30,148
Canada		—		49,329		—		3,716		13,611		—		66,656
Middle East & Asia		—		—		474,367		16,735		11,709		—		502,811
Latin America		—		—		171,691		7,649		3,577		—		182,917
Europe, Africa & CIS		—		—		100,773		1,168		8,575		—		110,516
Eliminations & other		—		—		—		—		—		(73,940)		(73,940)
Total	$	505,397	$	49,329	$	746,831	$	122,507	$	145,990	$	(73,940)	$	1,496,114

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, 2018	$	791.2	$	55.8	$	32.3	$	116.7	$	69.7
As of June 30, 2019	$	772.8	$	39.4	$	30.8	$	76.3	$	69.7