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Schedule II Valuation of Qualifying Accounts | 12 Months Ended
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Jul. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
|  | Year ended July 31,
Description |  | 2017 |  | 2016 |  | 2015
|  | (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 |  | $ | 5,144 |  |  | $ | 3,585 |  |  | $ | 3,069 |
Additions — Charged to expense |  | 732 |  |  | 1,904 |  |  | 1,954 |
Deductions — Bad debts written off, net of recoveries |  | (1,247 | ) |  | (345 | ) |  | (1,438 | )
Balances at end of period |  | $ | 4,629 |  |  | $ | 5,144 |  |  | $ | 3,585 |
Inventory — Reserve for slow-moving inventory: |  |  |  |  |  |
Balances at beginning of period |  | $ | 15,083 |  |  | $ | 13,269 |  |  | $ | 12,259 |
Additions — Charged to expense |  | 4,608 |  |  | 4,950 |  |  | 3,017 |
Deductions — Inventory write-offs |  | (5,369 | ) |  | (3,136 | ) |  | (2,007 | )
Balances at end of period |  | $ | 14,322 |  |  | $ | 15,083 |  |  | $ | 13,269 |
Valuation allowances against deferred tax assets: |  |  |  |  |  |  |
Balances at beginning of period |  | $ | 37,992 |  |  | $ | 39,922 |  |  | $ | 37,409 |
Additions during year |  | 2,004 |  |  | 2,614 |  |  | 8,111 |
Deductions — Valuation allowances reversed/utilized |  | (1,433 | ) |  | (4,544 | ) |  | (5,598 | )
Balances at end of period |  | $ | 38,563 |  |  | $ | 37,992 |  |  | $ | 39,922 |

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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 -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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