XML 19 R70.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Segment Information, Geographical Data and Major Customers (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Vessel revenues | $ 378,126 us-gaap_SalesRevenueServicesNet |  | $ 360,713 us-gaap_SalesRevenueServicesNet |  | $ 1,150,588 us-gaap_SalesRevenueServicesNet |  | $ 1,056,011 us-gaap_SalesRevenueServicesNet |
Other operating revenues | 9,428 us-gaap_OtherSalesRevenueNet |  | 4,535 us-gaap_OtherSalesRevenueNet |  | 20,167 us-gaap_OtherSalesRevenueNet |  | 11,259 us-gaap_OtherSalesRevenueNet |
Operating profit | 81,901 us-gaap_GrossProfit |  | 80,707 us-gaap_GrossProfit |  | 249,022 us-gaap_GrossProfit |  | 227,954 us-gaap_GrossProfit |
Total revenues | 387,554 us-gaap_Revenues |  | 365,248 us-gaap_Revenues |  | 1,170,755 us-gaap_Revenues |  | 1,067,270 us-gaap_Revenues |
Depreciation and amortization | 43,331 us-gaap_DepreciationAndAmortization |  | 42,391 us-gaap_DepreciationAndAmortization |  | 130,150 us-gaap_DepreciationAndAmortization |  | 124,555 us-gaap_DepreciationAndAmortization |
General and administrative expenses | (46,642)us-gaap_GeneralAndAdministrativeExpense |  | (45,723)us-gaap_GeneralAndAdministrativeExpense |  | (144,464)us-gaap_GeneralAndAdministrativeExpense |  | (142,241)us-gaap_GeneralAndAdministrativeExpense |
Additions to properties and equipment | 103,055 us-gaap_PropertyPlantAndEquipmentAdditions |  | 182,561 us-gaap_PropertyPlantAndEquipmentAdditions |  | 235,254 us-gaap_PropertyPlantAndEquipmentAdditions |  | 652,631 us-gaap_PropertyPlantAndEquipmentAdditions |
Corporate expenses | (10,245)tdw_CorporateExpenses |  | (11,106)tdw_CorporateExpenses |  | (33,172)tdw_CorporateExpenses |  | (40,552)tdw_CorporateExpenses |
(Loss) gain on asset dispositions, net | (1,537)us-gaap_GainLossOnDispositionOfAssets |  | 7,170 us-gaap_GainLossOnDispositionOfAssets |  | 4,996 us-gaap_GainLossOnDispositionOfAssets |  | 9,359 us-gaap_GainLossOnDispositionOfAssets |
Goodwill impairment | (283,699)us-gaap_GoodwillImpairmentLoss |  | (56,283)us-gaap_GoodwillImpairmentLoss |  | (283,699)us-gaap_GoodwillImpairmentLoss | [1] | (56,283)us-gaap_GoodwillImpairmentLoss |
Operating income (loss) | (213,580)us-gaap_OperatingIncomeLoss |  | 20,488 us-gaap_OperatingIncomeLoss |  | (62,853)us-gaap_OperatingIncomeLoss |  | 140,478 us-gaap_OperatingIncomeLoss |
Foreign exchange gain | 4,334 us-gaap_ForeignCurrencyTransactionGainLossBeforeTax |  | 1,341 us-gaap_ForeignCurrencyTransactionGainLossBeforeTax |  | 8,453 us-gaap_ForeignCurrencyTransactionGainLossBeforeTax |  | 4,269 us-gaap_ForeignCurrencyTransactionGainLossBeforeTax |
Equity in net earnings of unconsolidated companies |  |  | 2,671 us-gaap_IncomeLossFromEquityMethodInvestments |  | 9,104 us-gaap_IncomeLossFromEquityMethodInvestments |  | 10,872 us-gaap_IncomeLossFromEquityMethodInvestments |
Interest income and other, net | 434 us-gaap_InvestmentIncomeNonoperating |  | 137 us-gaap_InvestmentIncomeNonoperating |  | 1,555 us-gaap_InvestmentIncomeNonoperating |  | 1,415 us-gaap_InvestmentIncomeNonoperating |
Loss on early extinguishment of debt |  |  |  |  |  |  | (4,144)us-gaap_GainsLossesOnExtinguishmentOfDebt |
Interest and other debt costs, net | (12,239)us-gaap_InterestExpense |  | (12,250)us-gaap_InterestExpense |  | (37,927)us-gaap_InterestExpense |  | (31,081)us-gaap_InterestExpense |
Earnings (loss) before income taxes | (221,051)tdw_IncomeLossFromContinuingOperationsBeforeIncomeTaxes |  | 12,387 tdw_IncomeLossFromContinuingOperationsBeforeIncomeTaxes |  | (81,668)tdw_IncomeLossFromContinuingOperationsBeforeIncomeTaxes |  | 121,809 tdw_IncomeLossFromContinuingOperationsBeforeIncomeTaxes |
Americas |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  | (114,237)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  |  |
Asia/Pacific |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Goodwill impairment | (283,700)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | (56,300)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  |  |  | (56,283)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |
Sub-Saharan Africa/Europe |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  | (169,462)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  |  |
Operating Segments |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Operating profit | 82,933 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 80,940 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 254,570 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 228,361 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |
Depreciation and amortization | 41,639 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 41,608 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 125,038 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 122,270 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |
Additions to properties and equipment | 78,651 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 99,732 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 148,645 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |  | 458,205 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember |
Operating Segments | Americas |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Vessel revenues | 134,554 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 109,848 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 388,550 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 302,021 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |
Operating profit | 33,784 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 25,579 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 100,770 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 69,555 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |
Depreciation and amortization | 11,825 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 11,311 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 35,623 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 32,253 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |
Additions to properties and equipment | 32,421 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 45,580 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 64,057 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |  | 57,619 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AmericasSegmentMember |
Operating Segments | Asia/Pacific |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Vessel revenues | 35,046 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 36,325 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 121,284 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 116,711 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |
Operating profit | 2,621 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 5,932 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 9,064 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 21,028 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |
Depreciation and amortization | 4,731 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 4,231 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 13,538 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 12,878 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |
Additions to properties and equipment | 44,983 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 652 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 68,193 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |  | 1,620 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_AsiaPacificSegmentMember |
Operating Segments | Middle East/North Africa |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Vessel revenues | 55,925 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 51,158 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 160,301 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 137,741 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |
Operating profit | 12,408 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 10,927 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 31,568 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 34,496 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |
Depreciation and amortization | 7,016 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 6,405 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 20,383 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 17,742 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |
Additions to properties and equipment | 424 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 805 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 1,659 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |  | 1,714 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_MiddleEastAndNorthAfricaMember |
Operating Segments | Sub-Saharan Africa/Europe |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Vessel revenues | 152,601 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 163,382 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 480,453 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 499,538 us-gaap_SalesRevenueServicesNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |
Operating profit | 34,120 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 38,502 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 113,168 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 103,282 us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |
Depreciation and amortization | 18,067 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 19,661 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 55,494 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |  | 59,397 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember |
Additions to properties and equipment | 823 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember | [2] | 52,695 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember | [2] | 14,736 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember | [2] | 397,252 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = tdw_SubSaharanAfricaAndEuropeMember | [2]
Other |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Operating profit | (1,032)us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  | (233)us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  | (5,548)us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  | (407)us-gaap_GrossProfit / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |
Depreciation and amortization | 858 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  |  |  | 2,626 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  | 2 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |
Additions to properties and equipment | 10,206 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  | 22,267 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  | 18,931 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |  | 31,780 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = tdw_OtherActivityMember |
Corporate |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Depreciation and amortization | 834 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | 783 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | 2,486 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | 2,283 us-gaap_DepreciationAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |
General and administrative expenses | (9,411)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | (10,323)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | (30,686)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | (38,269)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |
Additions to properties and equipment | $ 14,198 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | [3] | $ 60,562 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | [3] | $ 67,678 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | [3] | $ 162,646 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | [3]
[1] | The total carrying amount of goodwill at December 31, 2014 is net of accumulated impairment charges of $370.9 million.
[2] | Included in Sub-Saharan Africa/Europe for the six months ended September 30, 2013 is $245.6 million related to vessels acquired through the acquisition of Troms Offshore.
[3] | Included in Corporate are additions to properties and equipment relating to vessels currently under construction which have not yet been assigned to a non-corporate reporting segment as of the dates presented.

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