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Accounts Receivable and Allowance for Doubtful Receivables (Tables) | 6 Months Ended
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Aug. 31, 2013
Receivables [Abstract] |
Allowance for Doubtful Receivables | The following table presents the activity in the Company’s allowance for doubtful receivables for the three and six months ended August 31, 2013 and August 31, 2012 (in thousands):
|  | Three months ended |  |  | Six months ended |
|  | August 31, |  |  | August 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Balance at beginning of period |  | $ | 2,707 |  |  | $ | 4,479 |  |  | $ | 3,952 |  |  | $ | 4,403 |
Bad debt expense |  |  | 1,099 |  |  |  | — |  |  |  | 2,198 |  |  |  | 287 |
Recoveries |  |  | 14 |  |  |  | 13 |  |  |  | 19 |  |  |  | 19 |
Accounts written off |  |  | (72 | ) |  |  | (82 | ) |  |  | (2,421 | ) |  |  | (299 | )
Balance at end of period |  | $ | 3,748 |  |  | $ | 4,410 |  |  | $ | 3,748 |  |  | $ | 4,410 |

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- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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