Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue Recognition

Summary of revenue is disaggregation by geographical region

	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

	Three Months Ended
	June 30, 2017
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	160,126	$	—	$	—	$	26,509	$	56,595	$	—	$	243,230
U.S. Offshore Gulf of Mexico		16,361		—		—		101		—		—		16,462
Alaska		10,857		—		—		1,306		188		—		12,351
Canada		—		17,121		—		1,322		1,564		—		20,007
Middle East & Asia		—		—		222,294		1,819		2,838		—		226,951
Latin America		—		—		103,920		614		—		—		104,534
Europe, Africa & CIS		—		—		54,124		158		—		—		54,282
Eliminations & other		—		—		—		—		—		(46,462)		(46,462)
Total	$	187,344	$	17,121	$	380,338	$	31,829	$	61,185	$	(46,462)	$	631,355

	Six Months Ended
	June 30, 2017
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	297,349	$	—	$	—	$	48,829	$	95,255	$	—	$	441,433
U.S. Offshore Gulf of Mexico		29,667		—		—		186		—		—		29,853
Alaska		22,262		—		—		2,437		314		—		25,013
Canada		—		44,929		—		3,305		3,539		—		51,773
Middle East & Asia		—		—		418,552		3,121		6,153		—		427,826
Latin America		—		—		197,365		1,129		—		—		198,494
Europe, Africa & CIS		—		—		102,644		187		—		—		102,831
Eliminations & other		—		—		—		—		—		(83,318)		(83,318)
Total	$	349,278	$	44,929	$	718,561	$	59,194	$	105,261	$	(83,318)	$	1,193,905

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 June 30, 2018	$	820.6	$	61.7	$	26.4	$	182.2	$	79.9