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v2.4.1.9

Schedule of Income Tax Expense (Benefit) (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Reconciliation of Provision of Income Taxes [Line Items] |  |  |
Current, Federal, Income tax expense (benefit) | $ 4,869 us-gaap_CurrentFederalTaxExpenseBenefit | $ (602)us-gaap_CurrentFederalTaxExpenseBenefit | $ (7,633)us-gaap_CurrentFederalTaxExpenseBenefit
Deferred, Federal, Income tax expense (benefit) | (72,389)us-gaap_DeferredFederalIncomeTaxExpenseBenefit | (34,226)us-gaap_DeferredFederalIncomeTaxExpenseBenefit | (11,335)us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Federal, Income tax expense (benefit) | (67,520)us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations | (34,828)us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations | (18,968)us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations
Current, State, Income tax expense (benefit) | (9)us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 4 us-gaap_CurrentStateAndLocalTaxExpenseBenefit | (313)us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Deferred, State, Income tax expense (benefit) | 0 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 0 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 0 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State, Income tax expense (benefit) | (9)us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations | 4 us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations | (313)us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
Current, International, Income tax expense (benefit) | 66,452 us-gaap_CurrentForeignTaxExpenseBenefit | 68,100 us-gaap_CurrentForeignTaxExpenseBenefit | 64,092 us-gaap_CurrentForeignTaxExpenseBenefit
Deferred, International, Income tax expense (benefit) |  | (483)us-gaap_DeferredForeignIncomeTaxExpenseBenefit | (398)us-gaap_DeferredForeignIncomeTaxExpenseBenefit
International, Income tax expense (benefit) | 66,452 us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations | 67,617 us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations | 63,694 us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations
Current, Total, Income tax expense (benefit) | 71,312 us-gaap_CurrentIncomeTaxExpenseBenefit | 67,502 us-gaap_CurrentIncomeTaxExpenseBenefit | 56,146 us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred, Total, Income tax expense (benefit) | (72,389)tdw_TotalDeferredIncomeTaxExpenseBenefit | (34,709)tdw_TotalDeferredIncomeTaxExpenseBenefit | (11,733)tdw_TotalDeferredIncomeTaxExpenseBenefit
Income tax expense (benefit), Total | $ (1,077)us-gaap_IncomeTaxExpenseBenefit | $ 32,793 us-gaap_IncomeTaxExpenseBenefit | $ 44,413 us-gaap_IncomeTaxExpenseBenefit

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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + 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.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Amount of current and deferred foreign income tax expense (benefit) attributable to income (loss) from continuing operations. + 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.(h)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1 -Article 4 + Details
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