XML 25 R42.htm IDEA: XBRL DOCUMENT v3.2.0.727

Share-Based Compensation (Details) - Jun. 30, 2015 - Restricted share awards and share unit awards [Member] - $ / shares	Total	Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted	1,700,000
Vesting rate		20.00%
Vesting rate for certain officers and non-employee directors		33.00%
Weighted-average grant-date fair value of non-vested awards	$ 23.41

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested and Grants in Period, Weighted Average Grant Date Fair Value

+ References

No definition available.

+ Details

Name:	esv_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAndGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	esv_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Vesting Rate

+ References

No definition available.

+ Details

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

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Vesting Rate for Certain Officers and Non-Employee Directors

+ References

No definition available.

+ Details

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

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

X

- Definition

Number of share instruments newly issued under a share-based compensation plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=esv_RestrictedShareAwardsAndShareUnitAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: