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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Aug. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Schedule II Acuity Brands, Inc. Valuation and Qualifying Accounts For the Years Ended August 31, 2020, 2019, and 2018 (In millions)
| Balance at |  | Additions and Reductions Charged to |  |  |  |
| Beginning of Year |  | Costs and Expenses |  | Other Accounts |  | Deductions |  | Balance at End of Year
Inventory reserves: |  |  |  |  |  |  |  |  |
Year Ended August 31, 2020 | $ | 22.3 |  |  | 36.3 |  |  | 1.8 |  |  | (11.1 | ) |  | $ | 49.3 |
Year Ended August 31, 2019 | $ | 36.8 |  |  | 10.7 |  |  | (0.1 | ) |  | (25.1 | ) |  | $ | 22.3 |
Year Ended August 31, 2018 | $ | 28.7 |  |  | 17.3 |  |  | (0.2 | ) |  | (9.0 | ) |  | $ | 36.8 |

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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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