XML 64 R62.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Fair Value Measurements (Fair Value Of Long Term Debt) (Details) (USD $) | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Long-term debt, carrying value | $ 565,754,000 us-gaap_DebtInstrumentCarryingAmount |  |  |
Unamortized debt discount | (19,456,000)us-gaap_DebtInstrumentUnamortizedDiscount |  | (20,900,000)us-gaap_DebtInstrumentUnamortizedDiscount |
Term Loan Maturing June 2018 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Long-term debt, carrying value | 273,750,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_TermLoanMaturingJune2018Member |  | 277,500,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_TermLoanMaturingJune2018Member |
Long-term debt, fair value | 271,355,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_TermLoanMaturingJune2018Member | [1] | 270,563,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_TermLoanMaturingJune2018Member | [1]
Convertible Senior Notes (Matures March 2032) [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Long-term debt, carrying value | 200,000,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_ConvertibleSeniorNotesMaturingMarchTwoThousandAndThirtyTwoMember | [2] | 200,000,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_ConvertibleSeniorNotesMaturingMarchTwoThousandAndThirtyTwoMember | [2]
Long-term debt, fair value | 199,750,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_ConvertibleSeniorNotesMaturingMarchTwoThousandAndThirtyTwoMember | [1],[2] | 222,900,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_ConvertibleSeniorNotesMaturingMarchTwoThousandAndThirtyTwoMember | [1],[2]
MARAD Debt [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Long-term debt, carrying value | 92,004,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_MaradDebtMember |  | 94,792,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_MaradDebtMember |
Long-term debt, fair value | 98,716,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_MaradDebtMember | [1] | 104,830,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_MaradDebtMember | [1]
Loan Notes [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Long-term debt, carrying value | 565,754,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_LoanNotesMember |  | 572,292,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_LongtermDebtTypeAxis = hlx_LoanNotesMember |
Long-term debt, fair value | $ 569,821,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_LoanNotesMember | [1] | $ 598,293,000 us-gaap_LongTermDebtFairValue / us-gaap_LongtermDebtTypeAxis = hlx_LoanNotesMember | [1]
[1] | The estimated fair value of the 2032 Notes was determined using Level 1 inputs using the market approach. The fair value of the Term Loan and the MARAD Debt was estimated using Level 2 fair value inputs under the market approach. The fair value of the Term Loan and the MARAD Debt was determined using a third party evaluation of the remaining average life and outstanding principal balance of the indebtedness as compared to other obligations in the marketplace with similar terms.
[2] | Carrying amount excludes the related unamortized debt discount of $19.5 million at March 31, 2015 and $20.9 million at December 31, 2014.

X
- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 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 210.5-02.22) -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 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: 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 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=34725769&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hlx_ConvertibleSeniorNotesMaturingMarchTwoThousandAndThirtyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hlx_LoanNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hlx_MaradDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=hlx_TermLoanMaturingJune2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |