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Valuation and Qualifying Accounts | 12 Months Ended
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Mar. 31, 2017
Valuation And Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | TIDEWATER INC. AND SUBSIDIARIES Valuation and Qualifying Accounts Years Ended March 31, 2017, 2016 and 2015 (In thousands)
Description |  | Balance at Beginning of period |  |  | Additions at Cost |  |  | Deductions |  |  | Balance at End of Period |
Fiscal 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deducted in balance sheet from Trade accounts receivables: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 11,450 |  |  |  | 5,348 |  |  |  | 633 |  |  |  | 16,165 |
Fiscal 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deducted in balance sheet from Trade accounts receivables: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 37,634 |  |  |  | 2,768 |  |  |  | 28,952 |  | (A) |  | 11,450 |
Fiscal 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deducted in balance sheet from Trade accounts receivables: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 35,737 |  |  |  | 2,405 |  |  |  | 508 |  |  |  | 37,634 |
(A) | Of this amount, $28,412 represents previously reserved accounts receivables related to our Venezuelan operations which were removed from the company’s books. Please refer to Note (11) of Notes to Consolidated Financial Statements included in Item 8 of this Annual Report on Form 10-K for additional information regarding the company’s Venezuelan operations.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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