XML 85 R68.htm IDEA: XBRL DOCUMENT v3.6.0.2

Long-Term Debt - Schedule Of Consolidated Leverage Ratio Cash Balances (Details) - USD ($)	Dec. 31, 2016	Feb. 29, 2016
Debt Instrument [Line Items]
Minimum Cash Balance	$ 150,000,000
Greater than or equal to 4.50x [Member] | Line of Credit [Member] | February 2016 Amendment [Member]
Debt Instrument [Line Items]
Minimum Cash Balance		$ 150,000,000.00
Greater than or equal to 4.00x but less than 4.50x [Member] | Line of Credit [Member] | February 2016 Amendment [Member]
Debt Instrument [Line Items]
Minimum Cash Balance		100,000,000.00
Greater than or equal to 3.50x but less than 4.00x [Member] | Line of Credit [Member] | February 2016 Amendment [Member]
Debt Instrument [Line Items]
Minimum Cash Balance		50,000,000.00
Less than 3.50x [Member] | Line of Credit [Member] | February 2016 Amendment [Member]
Debt Instrument [Line Items]
Minimum Cash Balance		$ 0.00

X

- Definition

Debt Instrument, Covenant, Minimum Cash Amount

+ References

No definition available.

+ Details

Name:	hlx_DebtInstrumentCovenantMinimumCashAmount
Namespace Prefix:	hlx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

- Details

Name:	hlx_FinancialRatioRangeAxis=hlx_ConsolidatedLeverageRatioGreaterThanOrEqualTo4.50Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	us-gaap_DebtInstrumentAxis=hlx_CreditAgreementFebruary2016AmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	hlx_FinancialRatioRangeAxis=hlx_ConsolidatedLeverageRatioGreaterThanOrEqualTo4.00ButLessThan4.50Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	hlx_FinancialRatioRangeAxis=hlx_ConsolidatedLeverageRatioGreaterThanOrEqualTo3.50ButLessThan4.00Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	hlx_FinancialRatioRangeAxis=hlx_ConsolidatedLeverageRatioLessThan3.50Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: