XML 57 R44.htm IDEA: XBRL DOCUMENT v3.10.0.1

Debt (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Feb. 28, 2018	Feb. 09, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Tender Offer	$ 985.0			$ 985.0
Aggregate Principal Amount Repurchased	$ 721.8			721.8
Loss (gain) on debt extinguishment		$ (19.0)		$ (19.0)	$ (2.6)
Quarterly cash dividends (in dollars per share)	$ 0.01		$ 0.01	$ 0.02	$ 0.02
7.75% Senior notes due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	7.75%			7.75%				7.75%
8.50% senior notes due 2019
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	8.50%			8.50%
Aggregate Principal Amount Repurchased	$ 237.6			$ 237.6
6.875% Senior notes due 2020(2)
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.875%			6.875%				6.875%
Aggregate Principal Amount Repurchased	$ 328.0			$ 328.0
Long-term Debt, Maturities, Repayments of Principal in Year Two	$ 122.9			$ 122.9
4.70% Senior notes due 2021(2)
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.70%			4.70%				4.70%
Aggregate Principal Amount Repurchased	$ 156.2			$ 156.2
Long-term Debt, Maturities, Repayments of Principal in Year Three	113.5			113.5
Five Year Credit Facility | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Current borrowing capacity	2,000.0			2,000.0
Maximum borrowing capacity	1,500.0			$ 1,500.0
Commitment fee percentage				0.75%
Maximum percent of debt to total capitalization ratio		60.00%
Additional secured debt, value				$ 750.0
Additional secured debt, percent of tangible net worth				10.00%
Quarterly cash dividends (in dollars per share)				$ 0.01
Aggregate amount of available cash	150.0			$ 150.0
Fair value of amount outstanding	0.0			$ 0.0
Five Year Credit Facility | Revolving Credit Facility [Member] | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate				3.00%
Five Year Credit Facility | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate				4.00%
Credit Facility due 2020 | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Current borrowing capacity	1,300.0			$ 1,300.0
Credit Facility due 2022 | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Current borrowing capacity	1,200.0			$ 1,200.0
Period for repayment of acquired companies				90 days
Aggregate amount of available cash, after repayments	250.0			$ 250.0
Senior Notes | 7.75% Senior notes due 2026
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000.0			$ 1,000.0
Debt instrument interest rate stated percentage	7.75%			7.75%
Senior Notes | 8.50% senior notes due 2019
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	8.50%			8.50%
Aggregate Principal Amount Repurchased						$ 55.0	$ 182.6
Senior Notes | 6.875% Senior notes due 2020(2)
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.875%			6.875%
Aggregate Principal Amount Repurchased						$ 71.4	$ 256.6
Senior Notes | 4.70% Senior notes due 2021(2)
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.70%			4.70%
Senior Notes | Senior Notes | 4.70% Senior notes due 2021(2)
Debt Instrument [Line Items]
Aggregate Principal Amount Repurchased	$ 156.2			$ 156.2

X

- Definition

Debt Covenant, Additional Secured Debt, Percent Of Tangible Net Worth

+ References

No definition available.

+ Details

Name:	esv_DebtCovenantAdditionalSecuredDebtPercentOfTangibleNetWorth
Namespace Prefix:	esv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Debt Covenant, Additional Secured Debt, Value

+ References

No definition available.

+ Details

Name:	esv_DebtCovenantAdditionalSecuredDebtValue
Namespace Prefix:	esv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Debt Covenant, Aggregate Amount Of Available Cash

+ References

No definition available.

+ Details

Name:	esv_DebtCovenantAggregateAmountOfAvailableCash
Namespace Prefix:	esv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Debt Covenant, Aggregate Amount Of Available Cash, After Repayments

+ References

No definition available.

+ Details

Name:	esv_DebtCovenantAggregateAmountOfAvailableCashAfterRepayments
Namespace Prefix:	esv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Debt Covenant, Period For Repayment Of Acquired Companies

+ References

No definition available.

+ Details

Name:	esv_DebtCovenantPeriodForRepaymentOfAcquiredCompanies
Namespace Prefix:	esv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum Percent of Debt to Total Capitalization Ratio

+ References

No definition available.

+ Details

Name:	esv_MaximumPercentofDebttoTotalCapitalizationRatio
Namespace Prefix:	esv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Potential additional revolver capacity if committements are received from new or existing syndicate lenders.

+ References

No definition available.

+ Details

Name:	esv_Potential_Additional_Revolver_Capacity
Namespace Prefix:	esv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Tender Offer

+ References

No definition available.

+ Details

Name:	esv_TenderOffer
Namespace Prefix:	esv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611

+ Details

Name:	us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

+ Details

Name:	us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentAxis=esv_SevenPointSevenFivePercentSeniorNotesDueTwoThousandTwentySixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=esv_EightPointFiveZeroPercentSeniorNotesDueTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=esv_SixPointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=esv_FourPointSevenZeroPercentSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=esv_FiveyearcreditfacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=esv_CreditFacilitydue2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=esv_CreditFacilitydue2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ExtinguishmentOfDebtAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: