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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Jan. 31, 2014
Valuation And Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II MITCHAM INDUSTRIES, INC. VALUATION AND QUALIFYING ACCOUNTS (in thousands)
Col. A |  | Col. B |  |  | Col. C(1) |  |  | Col. C(2) |  |  | Col. D |  |  | Col. E |
Description |  | Balance at Beginning of Period |  |  | Charged to Costs and Expenses |  |  | Charged to Other Accounts |  |  | Deductions Describe |  |  | Balance at End of Period |
Allowance for doubtful accounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 31, 2014 |  | $ | 3,374 |  |  |  | 1,048 |  |  |  | (139) | (a) |  |  | (450) | (b) |  | $ | 3,833 |
January 31, 2013 |  | $ | 4,391 |  |  |  | (361 | ) |  |  | 20 | (a) |  |  | (676) | (b) |  | $ | 3,374 |
January 31, 2012 |  | $ | 2,666 |  |  |  | 1,768 |  |  |  | 1 | (a) |  |  | (44) | (b) |  | $ | 4,391 |
Allowance for obsolete equipment and inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 31, 2014 |  | $ | 1,073 |  |  |  | 164 |  |  |  | (15) | (a) |  |  | (190) | (c) |  | $ | 1,032 |
January 31, 2013 |  | $ | 901 |  |  |  | 164 |  |  |  | 8 | (a) |  |  | — | (c) |  | $ | 1,073 |
January 31, 2012 |  | $ | 730 |  |  |  | 175 |  |  |  | (4) | (a) |  |  | — | (c) |  | $ | 901 |
(a) | Represents translation differences.
(b) | Represents recoveries and uncollectible accounts written off.
(c) | Represents sale or scrap of inventory and obsolete equipment.

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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 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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