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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Sep. 30, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II GRIFFON CORPORATION VALUATION AND QUALIFYING ACCOUNTS For the Years Ended September 30, 2021, 2020 and 2019 (in thousands)
Description | Balance at Beginning of Year |  | Additions |  | Reductions |  | Other |  | Balance at End of Year
FOR THE YEAR ENDED SEPTEMBER 30, 2021 |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts | $ | 8,178 |  |  | $ | 795 |  |  | $ | (393) |  |  | $ | 207 |  |  | $ | 8,787 |
Inventory valuation | $ | 18,903 |  |  | $ | 24,400 |  |  | $ | (12,099) |  |  | $ | 401 |  |  | $ | 31,605 |
Deferred tax valuation allowance | $ | 9,824 |  |  | $ | 601 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,425 |
FOR THE YEAR ENDED SEPTEMBER 30, 2020 |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts | $ | 7,588 |  |  | $ | 5,175 |  |  | $ | (4,584) |  |  | $ | (1) |  |  | $ | 8,178 |
Inventory valuation | $ | 15,218 |  |  | $ | 6,771 |  |  | $ | (3,412) |  |  | $ | 326 |  |  | $ | 18,903 |
Deferred tax valuation allowance | $ | 10,823 |  |  | $ | — |  |  | $ | (999) |  |  | $ | — |  |  | $ | 9,824 |
FOR THE YEAR ENDED SEPTEMBER 30, 2019 |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts | $ | 6,115 |  |  | $ | 6,253 |  |  | $ | (4,799) |  |  | $ | 19 |  |  | $ | 7,588 |
Inventory valuation | $ | 15,940 |  |  | $ | 1,947 |  |  | $ | (2,614) |  |  | $ | (55) |  |  | $ | 15,218 |
Deferred tax valuation allowance | $ | 8,520 |  |  | $ | 2,303 |  |  | $ | — |  |  | $ | — |  |  | $ | 10,823 |

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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=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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