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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Sep. 30, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS (Dollars in Thousands)
|  | Balance at beginning of period |  | Charged (credited) to expense |  | Reductions |  | Balance at end of period
Deferred tax valuation allowance (deducted from net deferred tax assets) |  |  |  |  |  |  |  |
Year ended September 30, 2017 |  | $ | 44,257 |  |  | 10,122 |  |  | — |  |  | $ | 54,379 |
Year ended September 30, 2018 |  | 54,379 |  |  | (15,042) |  |  | — |  |  | 39,337 |
Year ended September 30, 2019 |  | $ | 39,337 |  |  | 2,572 |  |  | — |  |  | $ | 41,909 |
Allowance for doubtful accounts (deducted from accounts receivable) |  |  |  |  |  |  |  |
Year ended September 30, 2017 |  | $ | 718 |  |  | 357 |  |  | (407) |  |  | $ | 668 |
Year ended September 30, 2018 |  | 668 |  |  | 199 |  |  | (530) |  |  | 337 |
Year ended September 30, 2019 |  | $ | 337 |  |  | 178 |  |  | (224) |  |  | $ | 291 |
Provision for Inventory allowance (deducted from inventory) |  |  |  |  |  |  |  |
Year ended September 30, 2017 |  | $ | 3,446 |  |  | 10,381 |  |  | (9,255) |  |  | $ | 4,572 |
Year ended September 30, 2018 |  | 4,572 |  |  | 2,494 |  |  | (6,563) |  |  | 503 |
Year ended September 30, 2019 |  | $ | 503 |  |  | 331 |  |  | (503) |  |  | $ | 331 |

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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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