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Valuation and Qualifying Accounts and Reserves | 12 Months Ended
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Jul. 31, 2013
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts and Reserves | Consolidated Financial Statement Schedule Schedule II - Valuation and Qualifying Accounts and Reserves (in thousands) For the Years Ended July 31,
| Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Deductions |  | Balance at End of Period
2011 |  |  |  |  |  |  |
Inventory Reserves | $ | 1,452 |  |  | $ | 2,389 |  |  | $ | (2,289 | ) |  | $ | 1,552 |
Valuation Allowance on Income Taxes | 1,588 |  |  | — |  |  | — |  |  | 1,588 |
Trade Receivable Allowances | 2,259 |  |  | 2,246 |  |  | (1,082 | ) |  | 3,423 |
2012 |  |  |  |  |  |  |
Inventory Reserves | 1,552 |  |  | 1,914 |  |  | (1,602 | ) |  | 1,864 |
Valuation Allowance on Income Taxes | 1,588 |  |  | — |  |  | — |  |  | 1,588 |
Trade Receivable Allowances | 3,423 |  |  | 2,456 |  |  | (1,326 | ) |  | 4,553 |
2013 |  |  |  |  |  |  |
Inventory Reserves | 1,864 |  |  | 2,203 |  |  | (2,307 | ) |  | 1,760 |
Valuation Allowance on Income Taxes | 1,588 |  |  | 1,474 |  |  | — |  |  | 3,062 |
Trade Receivable Allowances | $ | 4,553 |  |  | $ | 773 |  |  | $ | (4,848 | ) |  | $ | 478 |

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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 SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: 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=6881521&loc=d3e24092-122690 + Details
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