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Network
1051 - Disclosure - Income Taxes - Additional Information (Detail)
(http://www.tdw.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation)
TableIncome Tax [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000098222 (http://www.sec.gov/CIK)
Legal Entity [Axis]Entity [Domain]
Income Tax [Line Items]Period [Axis]
2012-04-01 - 2013-03-31
Federal statutory tax rate
.35  
Foreign tax credit carry-forwards expiry period
2015 
Net operating loss carry-forwards expiry period
2031 
Income tax penalties and interest
7,600,000