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Schedule II Valuation of Qualifying Accounts | 12 Months Ended
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Jul. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
|  | Year ended July 31,
Description |  | 2019 |  | 2018 |  | 2017
|  | (Dollars in thousands)
Valuation accounts deducted in balance sheet from assets to which they apply — Accounts receivable — allowance for doubtful accounts: |  |  |  |  |  |
Balances at beginning of period |  | $ | 4,471 |  |  | $ | 4,629 |  |  | $ | 5,144 |
Additions — Charged to expense |  | 587 |  |  | 752 |  |  | 732 |
Deductions — Bad debts written off, net of recoveries |  | (53 | ) |  | (910 | ) |  | (1,247 | )
Balances at end of period |  | $ | 5,005 |  |  | $ | 4,471 |  |  | $ | 4,629 |
Inventory — Reserve for slow-moving inventory: |  |  |  |  |  |
Balances at beginning of period |  | $ | 12,582 |  |  | $ | 14,322 |  |  | $ | 15,083 |
Additions — Charged to expense |  | 3,168 |  |  | 2,797 |  |  | 4,608 |
Deductions — Inventory write-offs |  | (2,346 | ) |  | (4,537 | ) |  | (5,369 | )
Balances at end of period |  | $ | 13,404 |  |  | $ | 12,582 |  |  | $ | 14,322 |
Valuation allowances against deferred tax assets: |  |  |  |  |  |  |
Balances at beginning of period |  | $ | 56,866 |  |  | $ | 38,563 |  |  | $ | 37,992 |
Additions during year |  | 5,981 |  |  | 24,184 |  |  | 2,004 |
Deductions — Valuation allowances reversed/utilized |  | (2,774 | ) |  | (5,881 | ) |  | (1,433 | )
Balances at end of period |  | $ | 60,073 |  |  | $ | 56,866 |  |  | $ | 38,563 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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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