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Contractual Obligations (Tables) | 12 Months Ended
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Jan. 31, 2013
Contractual Obligations [Abstract] |
Summary of contractual obligations |
|  | Total |  |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 and Thereafter |
(In thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase Commitments* |  | $ | 9,420 |  |  | $ | 8,173 |  |  | $ | 1,247 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Operating Lease Obligations |  | $ | 887 |  |  | $ | 372 |  |  | $ | 273 |  |  | $ | 138 |  |  |  | 104 |  |  |  | — |
|  | $ | 10,307 |  |  | $ | 8,545 |  |  | $ | 1,520 |  |  | $ | 138 |  |  | $ | 104 |  |  | $ | — |

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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