Supplemental Financial Information (Tables)

12 Months Ended

Dec. 31, 2017

Supplemental Financial Information [Abstract]

Accounts receivable, net, as of December 31, 2017 and 2016 consisted of the following (in millions):



	2017			2016
Trade	$	335.4		$	358.4
Other	33.6			24.5
	369.0			382.9
Allowance for doubtful accounts	(23.6		)	(21.9		)
	$	345.4		$	361.0

Other Current Assets

Other current assets as of December 31, 2017 and 2016 consisted of the following (in millions):



	2017		2016
Inventory	$	278.8	$	225.2
Prepaid taxes	43.5		30.7
Deferred costs	29.7		32.4
Prepaid expenses	14.2		7.9
Other	15.0		19.8
	$	381.2	$	316.0

Other Assets, Net

Other assets, net, as of December 31, 2017 and 2016 consisted of the following (in millions):



	2017		2016
Deferred tax assets	$	38.8	$	69.3
Deferred costs	37.4		35.7
Supplemental executive retirement plan assets	30.9		27.7
Intangible assets	15.7		0.3
Prepaid taxes on intercompany transfers of property	—		33.0
Other	17.4		9.9
	$	140.2	$	175.9

Accrued Liabilities And Other

Accrued liabilities and other as of December 31, 2017 and 2016 consisted of the following (in millions):



	2017		2016
Personnel costs	$	112.0	$	124.0
Accrued interest	83.1		71.7
Deferred revenue	73.0		116.7
Taxes	46.4		40.7
Derivative liabilities	.4		12.7
Other	11.0		10.8
	$	325.9	$	376.6

Other Liabilities

Other liabilities as of December 31, 2017 and 2016 consisted of the following (in millions):



	2017		2016
Unrecognized tax benefits (inclusive of interest and penalties)	$	178.0	$	142.9
Intangible liabilities	59.6		—
Deferred revenue	51.2		120.9
Supplemental executive retirement plan liabilities	32.0		28.9
Deferred tax liabilities	18.5		5.2
Personnel costs	18.1		13.5
Deferred rent	17.1		9.4
Other	12.2		1.7
	$	386.7	$	322.5

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Accumulated other comprehensive income as of December 31, 2017 and 2016 consisted of the following (in millions):



	2017			2016
Derivative instruments	$	22.5		$	13.6
Currency translation adjustment	7.8			7.6
Other	(1.7		)	(2.2		)
	$	28.6		$	19.0

Repair And Maintenance Expense Related To Continuing Operations

Repair and maintenance expense related to continuing operations for each of the years in the three-year period ended December 31, 2017 was as follows (in millions):



	2017		2016		2015
Repair and maintenance expense	$	188.7	$	151.1	$	270.1

Schedule of Cash Flows Information

Net cash provided by operating activities of continuing operations attributable to the net change in operating assets and liabilities for each of the years in the three-year period ended December 31, 2017 was as follows (in millions):



	2017			2016			2015
Decrease in accounts receivable	$	83.2		$	222.4		$	246.1
(Increase) decrease in other assets	(14.0		)	44.0			25.7
Decrease in liabilities	(3.8		)	(125.8		)	(158.3		)
	$	65.4		$	140.6		$	113.5

Cash Paid For Interest And Income Taxes

Cash paid for interest and income taxes for each of the years in the three-year period ended December 31, 2017 was as follows (in millions):



	2017		2016		2015
Interest, net of amounts capitalized	$	199.8	$	264.8	$	249.3
Income taxes	62.8		56.4		97.3

Revenue from External Customers by Products and Services [Table Text Block]

Consolidated revenues by customer for the years ended December 31, 2017, 2016 and 2015 were as follows:



	2017		2016		2015
Total⁽¹⁾	22	%	13	%	9	%
BP ⁽²⁾	15	%	12	%	18	%
Petrobras⁽³⁾	11	%	9	%	14	%
Other	52	%	66	%	59	%
	100	%	100	%	100	%


⁽¹⁾	For the years ended December 31, 2017, 2016 and 2015, all Total revenues were attributable to the Floater segment.


⁽²⁾	For the years ended December 31, 2017 and 2015, 78% and 81%, respectively, of the revenues provided by BP were attributable to our Floaters segment and the remaining revenues were attributable to our Other segment. For the year ended December 31, 2016, 76%, 17% and 7% of the revenues provided by BP were attributable to our Floaters, Other and Jackups segments, respectively.

For the year ended December 31, 2015, excluding the impact of ENSCO DS-4 lump-sum termination payments of $110.6 million, revenues from BP represented 15% of total revenue.


⁽³⁾	For the years ended December 31, 2017, 2016 and 2015, all Petrobras revenues were attributable to our Floaters segment.

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

Consolidated revenues by region, including the United Kingdom, our country of domicile, for the years ended December 31, 2017, 2016 and 2015 were as follows (in millions):



	2017		2016		2015
Angola⁽¹⁾	$	445.7	$	552.1	$	586.5
Egypt⁽²⁾	214.8		141.2		—
Australia⁽³⁾	206.7		222.8		223.2
Brazil⁽²⁾	196.2		298.0		468.5
Saudi Arabia⁽⁴⁾	171.8		210.6		255.2
United Kingdom⁽⁴⁾	164.6		246.2		400.7
U.S. Gulf of Mexico⁽⁵⁾	149.8		531.7		1,151.5
Other	293.4		573.8		977.8
	$	1,843.0	$	2,776.4	$	4,063.4


⁽¹⁾	For the years ended December 31, 2017, 2016 and 2015, 88%, 87% and 88% of the revenues earned in Angola, respectively, were attributable to our Floaters segment with the remaining revenues attributable to our Jackups segment.


⁽²⁾	For the years ended December 31, 2017, 2016 and 2015, all revenues were attributable to our Floaters segment.


⁽³⁾	For the years ended December 31, 2017, 2016 and 2015, 87%, 95% and 100% of the revenues earned in Australia, respectively, were attributable to our Floaters segment with the remaining revenues attributable to our Jackups segment.


⁽⁴⁾	For the years ended December 31, 2017, 2016 and 2015, all revenues were attributable to our Jackups segment.


⁽⁵⁾	For the years ended December 31, 2017, 2016 and 2015, 29%, 82% and 86% of the revenues earned in the U.S. Gulf of Mexico, respectively, were attributable to our Floaters segment. For the years ended December 31, 2017, 2016 and 2015, 31%, 7% and 9% of revenues were attributable to our Jackups segment.