XML 17 R48.htm IDEA: XBRL DOCUMENT v2.4.1.9

Summary of Debt Outstanding (Detail) (USD $)
In Thousands, unless otherwise specified

9 Months Ended

12 Months Ended

Dec. 31, 2014

Mar. 31, 2014

Term Loan Facility

Debt [Line Items]

Term loan agreement

$ 300,000us-gaap_LoansPayable
/ us-gaap_LongtermDebtTypeAxis
= tdw_TermLoanFacilityMember

^[1]

$ 300,000us-gaap_LoansPayable
/ us-gaap_LongtermDebtTypeAxis
= tdw_TermLoanFacilityMember

^[1]

Revolving Credit Agreement

Debt [Line Items]

Revolving line of credit

0us-gaap_LineOfCredit
/ us-gaap_LongtermDebtTypeAxis
= tdw_RevolvingCreditAgreementMember

^[1],[2]

0us-gaap_LineOfCredit
/ us-gaap_LongtermDebtTypeAxis
= tdw_RevolvingCreditAgreementMember

^[1],[2]

September 2013 Senior Unsecured Notes

Debt [Line Items]

Aggregate debt outstanding

500,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwoThousandThirteenSeniorUnsecuredNotesMember

500,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwoThousandThirteenSeniorUnsecuredNotesMember

Weighted average remaining life in years

8 years 7 months 6 days

9 years 4 months 24 days

Weighted average coupon rate on notes outstanding

4.86%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwoThousandThirteenSeniorUnsecuredNotesMember

4.86%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwoThousandThirteenSeniorUnsecuredNotesMember

Fair value of debt outstanding (Level 2)

495,387us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwoThousandThirteenSeniorUnsecuredNotesMember

520,979us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwoThousandThirteenSeniorUnsecuredNotesMember

August 2011 Senior Unsecured Notes

Debt [Line Items]

Aggregate debt outstanding

165,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_AugustTwoThousandElevenSeniorUnsecuredNotesMember

165,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_AugustTwoThousandElevenSeniorUnsecuredNotesMember

Weighted average remaining life in years

5 years 9 months 18 days

6 years 7 months 6 days

Weighted average coupon rate on notes outstanding

4.42%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_AugustTwoThousandElevenSeniorUnsecuredNotesMember

4.42%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_AugustTwoThousandElevenSeniorUnsecuredNotesMember

Fair value of debt outstanding (Level 2)

162,541us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_AugustTwoThousandElevenSeniorUnsecuredNotesMember

168,653us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_AugustTwoThousandElevenSeniorUnsecuredNotesMember

September 2010 Senior Unsecured Notes

Debt [Line Items]

Aggregate debt outstanding

425,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwentyTenSeniorUnsecuredNotesMember

425,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwentyTenSeniorUnsecuredNotesMember

Weighted average remaining life in years

4 years 10 months 24 days

5 years 7 months 6 days

Weighted average coupon rate on notes outstanding

4.25%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwentyTenSeniorUnsecuredNotesMember

4.25%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwentyTenSeniorUnsecuredNotesMember

Fair value of debt outstanding (Level 2)

419,769us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwentyTenSeniorUnsecuredNotesMember

436,264us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_SeptemberTwentyTenSeniorUnsecuredNotesMember

July 2003 Senior Unsecured Notes

Debt [Line Items]

Aggregate debt outstanding

35,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_JulyTwoThousandThreeSeniorUnsecuredNotesMember

35,000us-gaap_UnsecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= tdw_JulyTwoThousandThreeSeniorUnsecuredNotesMember

Weighted average remaining life in years

7 months 6 days

1 year 3 months 18 days

Weighted average coupon rate on notes outstanding

4.61%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_JulyTwoThousandThreeSeniorUnsecuredNotesMember

4.61%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_LongtermDebtTypeAxis
= tdw_JulyTwoThousandThreeSeniorUnsecuredNotesMember

Fair value of debt outstanding (Level 2)

$ 35,256us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_JulyTwoThousandThreeSeniorUnsecuredNotesMember

$ 36,018us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= tdw_JulyTwoThousandThreeSeniorUnsecuredNotesMember

[1]	Fair values approximate carrying values because the borrowings bear interest at variable rates.
[2]	$600 million was available under the revolver at December 31, 2014 and March 31, 2014.

X

- Definition

Weighted Average Life To Maturity

+ References

No definition available.

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X

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611



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-Name Accounting Standards Codification

-Topic 825

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-Section 50

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Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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X

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

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X

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 944

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-Section S99

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



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-Name Regulation S-X (SX)

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X

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 03

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



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Namespace Prefix:	us-gaap_
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X

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