XML 40 R27.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Segment Information (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Segment Reporting Information, Revenue for Reportable Segment [Abstract] |
Schedule Of Segment Reporting Information | Three Months Ended March 31, 2018
| Floaters |  | Jackups |  | Other |  | Operating Segments Total |  | Reconciling Items |  | Consolidated Total
Revenues | $ | 259.0 |  |  | $ | 143.4 |  |  | $ | 14.6 |  |  | $ | 417.0 |  |  | $ | — |  |  | $ | 417.0 |
Operating expenses |  |  |  |  |  |  |  |  |  |  |
Contract drilling (exclusive of depreciation) | 185.1 |  |  | 126.9 |  |  | 13.2 |  |  | 325.2 |  |  | — |  |  | 325.2 |
Depreciation | 75.3 |  |  | 36.5 |  |  | — |  |  | 111.8 |  |  | 3.4 |  |  | 115.2 |
General and administrative | — |  |  | — |  |  | — |  |  | — |  |  | 27.9 |  |  | 27.9 |
Operating income (loss) | $ | (1.4 | ) |  | $ | (20.0 | ) |  | $ | 1.4 |  |  | $ | (20.0 | ) |  | $ | (31.3 | ) |  | $ | (51.3 | )
Property and equipment, net | $ | 9,636.9 |  |  | $ | 3,154.3 |  |  | $ | — |  |  | $ | 12,791.2 |  |  | $ | 43.6 |  |  | $ | 12,834.8 |
Three Months Ended March 31, 2017
| Floaters |  | Jackups |  | Other |  | Operating Segments Total |  | Reconciling Items |  | Consolidated Total
Revenues | $ | 284.8 |  |  | $ | 171.8 |  |  | $ | 14.5 |  |  | $ | 471.1 |  |  | $ | — |  |  | $ | 471.1 |
Operating expenses |  |  |  |  |  |  |  |  |  |  |
Contract drilling (exclusive of depreciation) | 146.4 |  |  | 118.6 |  |  | 13.1 |  |  | 278.1 |  |  | — |  |  | 278.1 |
Depreciation | 72.8 |  |  | 32.1 |  |  | — |  |  | 104.9 |  |  | 4.3 |  |  | 109.2 |
General and administrative | — |  |  | — |  |  | — |  |  | — |  |  | 26.0 |  |  | 26.0 |
Operating income | $ | 65.6 |  |  | $ | 21.1 |  |  | $ | 1.4 |  |  | $ | 88.1 |  |  | $ | (30.3 | ) |  | $ | 57.8 |
Property and equipment, net | $ | 8,534.3 |  |  | $ | 2,532.4 |  |  | $ | — |  |  | $ | 11,066.7 |  |  | $ | 54.0 |  |  | $ | 11,120.7 |
Schedule Of Geographic Distribution Of Rigs By Segment | As of March 31, 2018, the geographic distribution of our drilling rigs by reportable segment was as follows:
| Floaters |  | Jackups |  | Total(1)
North & South America | 9 |  | 4 |  | 13
Europe & Mediterranean | 6 |  | 12 |  | 18
Middle East & Africa | 3 |  | 11 |  | 14
Asia & Pacific Rim | 5 |  | 8 |  | 13
Asia & Pacific Rim (under construction) | 2 |  | 1 |  | 3
Held-for-Sale(2) | 2 |  | 2 |  | 4
Total | 27 |  | 38 |  | 65
(1) | We provide management services on two rigs owned by third-parties in the U.S. Gulf of Mexico which are not included in the table above.
(2) | Both jackups and one floater classified as held-for-sale as of March 31, 2018 were sold in April 2018.

X
- Definition Schedule of segment reporting information by geographical segment [Table Text Block]. + References No definition available. + Details
Name: | esv_ScheduleOfSegmentReportingInformationByGeographicalSegmentTableTextBlock
Namespace Prefix: | esv_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
Name: | us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration