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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Supplemental Cash Flow Information |
|  | Year Ended December 31, |
|  | 2013 |  | 2012 |  | 2011 |
Interest paid, net of interest capitalized | $ | 39,040 | $ | 68,735 | $ | 81,000 |
Income taxes paid | $ | 113,331 | $ | 43,111 | $ | 11,216 |
Property, Plant and Equipment |
|  | Estimated Useful Life |  | 2013 |  | 2012 |
ROVs/Vessels |  | 10 to 30 years | $ | 1,671,451 | $ | 1,822,642 |
Machinery, equipment, buildings and leasehold improvements |  | 5 to 30 years |  | 288,332 |  | 229,154 |
Total property and equipment |  |  | $ | 1,959,783 | $ | 2,051,796 |
Schedule of Goodwill |
|  | Well |  |  |  |  |
|  | Intervention |  | Robotics |  | Total |
Balance at December 31, 2011 | $ | 17,108 | $ | 45,107 | $ | 62,215 |
Other adjustments (1) |  | 720 |  | - |  | 720 |
Balance at December 31, 2012 |  | 17,828 |  | 45,107 |  | 62,935 |
Other adjustments (1) |  | 295 |  | - |  | 295 |
Balance at December 31, 2013 | $ | 18,123 | $ | 45,107 | $ | 63,230 |
(1) Reflects foreign currency adjustment for certain amounts of our goodwill.
Computations Of Basic And Diluted EPS |
|  | Year Ended December 31, |
|  | 2013 |  | 2012 |  | 2011 |
|  | Income |  | Shares |  | Income |  | Shares |  | Income |  | Shares |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations: |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) applicable to Helix | $ | 109,922 |  |  | $ | (46,334) |  |  | $ | 129,939 |  |  |
Less: Income from discontinued operations, net of tax |  | (1,073) |  |  |  | (23,684) |  |  |  | (95,221) |  |  |
Income (loss) from continuing operations |  | 108,849 |  |  |  | (70,018) |  |  |  | 34,718 |  |  |
Less: Undistributed income allocable to participating securities – continuing operations |  | (801) |  |  |  | - |  |  |  | (427) |  |  |
Income (loss) applicable to common shareholders – continuing operations | $ | 108,048 |  | 105,032 | $ | (70,018) |  | 104,449 | $ | 34,291 |  | 104,528 |
Discontinued operations: |  |  |  |  |  |  |  |  |  |  |  |  |
Income from discontinued operations, net of tax | $ | 1,073 |  |  | $ | 23,684 |  |  | $ | 95,221 |  |  |
Less: Undistributed income allocable to participating securities – discontinued operations |  | (8) |  |  |  | - |  |  |  | (1,172) |  |  |
Income applicable to common shareholders – discontinued operations | $ | 1,065 |  | 105,032 | $ | 23,684 |  | 104,449 | $ | 94,049 |  | 104,528 |
|  | Year Ended December 31, |
|  | 2013 |  | 2012 |  | 2011 |
|  | Income |  | Shares |  | Income |  | Shares |  | Income |  | Shares |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations: |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) applicable to common shareholders – continuing operations | $ | 108,048 |  | 105,032 | $ | (70,018) |  | 104,449 | $ | 34,291 |  | 104,528 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards other than participating securities |  | - |  | 152 |  | - |  | - |  | - |  | 64 |
Undistributed income reallocated to participating securities |  | 1 |  | - |  | - |  | - |  | 2 |  | - |
Convertible preferred stock |  | - |  | - |  | - |  | - |  | 40 |  | 361 |
Income (loss) applicable to common shareholders – continuing operations | $ | 108,049 |  | 105,184 | $ | (70,018) |  | 104,449 | $ | 34,333 |  | 104,953 |
Discontinued operations: |  |  |  |  |  |  |  |  |  |  |  |  |
Income from discontinued operations, net of tax | $ | 1,073 |  | 105,184 | $ | 23,684 |  | 104,449 | $ | 95,221 |  | 104,953 |
Excluded Securities On Diluted Shares Calculation |
|  | 2012 |
Diluted shares (as reported) |  | 104,449 |
Share-based awards |  | 382 |
Convertible preferred stock |  | 334 |
Total |  | 105,165 |
Assets And Liabilities Measured At Fair Value On A Recurring Basis |
|  |  | Level 1 |  |  |  | Level 2 (1) |  |  |  | Level 3 |  |  |  | Total |  |  |  | Valuation Technique |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | $ | – |  |  | $ | 69 |  |  | $ | – |  |  | $ | 69 |  |  |  | (c) |
Interest rate swaps |  |  | – |  |  |  | 446 |  |  |  | – |  |  |  | 446 |  |  |  | (c) |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of long-term debt (2) |  |  | 536,213 |  |  |  | 109,474 |  |  |  | – |  |  |  | 645,687 |  |  |  | (a) |
Foreign exchange contracts |  |  | – |  |  |  | 15,071 |  |  |  | – |  |  |  | 15,071 |  |  |  | (c) |
Interest rate swaps |  |  | – |  |  |  | 746 |  |  |  | – |  |  |  | 746 |  |  |  | (c) |
Total net liability |  | $ | 536,213 |  |  | $ | 124,776 |  |  | $ | – |  |  | $ | 660,989 |  |  |  |  |
(1) Unless otherwise indicated, the fair value of our Level 2 derivative instruments reflects our best estimate and is based upon exchange or over-the-counter quotations whenever they are available. Quoted valuations may not be available due to location differences or terms that extend beyond the period for which quotations are available. Where quotes are not available, we utilize other valuation techniques or models to estimate market values. These modeling techniques require us to make estimations of future prices, price correlation and market volatility and liquidity based on market data. Our actual results may differ from our estimates, and these differences could be positive or negative. (2) See Note 7 for additional information regarding our long-term debt. The fair value of our long-term debt at December 31, 2013 and 2012 is as follows (in thousands):
Fair Value Of Long Term Debt |
|  | 2013 |  | 2012 |
|  | Carrying |  | Fair |  | Carrying |  | Fair |
|  | Value |  | Value (e) |  | Value |  | Value (e) |
Term Loans (mature July 2015) (a) | $ | - | $ | - | $ | 367,181 | $ | 368,295 |
Revolving Credit Facility (matures July 2015) (a) |  | - |  | - |  | 100,000 |  | 100,000 |
Term Loan (matures June 2018) |  | 292,500 |  | 293,963 |  | - |  | - |
2025 Notes (mature December 2025) (b) |  | - |  | - |  | 3,487 |  | 3,487 |
2032 Notes (mature March 2032) (c) |  | 200,000 |  | 242,250 |  | 200,000 |  | 239,320 |
Senior Unsecured Notes (mature January 2016) (d) |  | - |  | - |  | 274,960 |  | 283,209 |
MARAD Debt (matures February 2027) |  | 100,168 |  | 109,474 |  | 105,288 |  | 123,187 |
Total debt | $ | 592,668 | $ | 645,687 | $ | 1,050,916 | $ | 1,117,498 |
(a) Relates to the term loans and revolving credit facility under our former credit agreement, which was terminated in June 2013. (b) This remaining amount was repu rchased by us in February 2013. (c) Carrying value excludes the related unamortized debt discount of $26.5 million at December 31, 2013. (d) We redeemed our remaining Senior Unsecured Notes in July 2013. (e) The estimated fair value of all debt, other than the MARAD debt, was determined using Level 1 inputs using the market approach. The fair value of the MARAD debt was determined using a third party evaluation of the remaining average life and outstanding principal balance of the MARAD indebtedness as compared to other governmental obligations in the marketplace with similar terms. The fair value of the MARAD Debt was estimated using Level 2 fair value inputs using the market approach.

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 + Details
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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: 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=6584090&loc=d3e28878-108400 Reference 3: 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=6451184&loc=d3e28551-108399 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 7: 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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