XML 33 R50.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Summary of Norwegian Kroner (NOK) Denominated Borrowings Outstanding (Detail) In Thousands, unless otherwise specified | Dec. 31, 2014 3.81% January 2014 notes USD ($) | Dec. 31, 2014 3.81% January 2014 notes NOK | Mar. 31, 2014 3.81% January 2014 notes USD ($) | Mar. 31, 2014 3.81% January 2014 notes NOK | Dec. 31, 2014 5.38% May 2012 notes USD ($) | Dec. 31, 2014 5.38% May 2012 notes NOK | Mar. 31, 2014 5.38% May 2012 notes USD ($) | Mar. 31, 2014 5.38% May 2012 notes NOK | Dec. 31, 2014 Variable rate borrowings, June 2013 borrowing agreement USD ($) | Dec. 31, 2014 Variable rate borrowings, June 2013 borrowing agreement NOK | Mar. 31, 2014 Variable rate borrowings, June 2013 borrowing agreement USD ($) | Mar. 31, 2014 Variable rate borrowings, June 2013 borrowing agreement NOK | Dec. 31, 2014 Variable rate borrowings, May 2012 borrowing agreement USD ($) | Dec. 31, 2014 Variable rate borrowings, May 2012 borrowing agreement NOK | Mar. 31, 2014 Variable rate borrowings, May 2012 borrowing agreement USD ($) | Mar. 31, 2014 Variable rate borrowings, May 2012 borrowing agreement NOK
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt outstanding | $ 38,575 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableOneMember | 287,500 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableOneMember | $ 50,028 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableOneMember | 300,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableOneMember | $ 21,720 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableTwoMember | 161,880 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableTwoMember | $ 29,867 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableTwoMember | 178,920 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_NotesPayableTwoMember | $ 3,354 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingOneMember | [1] | 25,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingOneMember | [1] | $ 4,168 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingOneMember | [1] | 25,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingOneMember | [1] | $ 2,683 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingTwoMember | [1] | 20,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingTwoMember | [1] | $ 5,837 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingTwoMember | [1] | 35,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = tdw_BorrowingTwoMember | [1]
Fair value in U.S. dollar equivalent (Level 2) | $ 38,581 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = tdw_NotesPayableOneMember |  | $ 50,044 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = tdw_NotesPayableOneMember |  | $ 21,634 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = tdw_NotesPayableTwoMember |  | $ 29,588 us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = tdw_NotesPayableTwoMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Fair values approximate carrying values because the borrowings bear interest at variable rates.

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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 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 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant