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Goodwill and Intangible Assets | 6 Months Ended
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Feb. 28, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Through multiple acquisitions, we acquired definite-lived intangible assets consisting primarily of customer relationships, patented technology, distribution networks, and trademarks and trade names associated with specific products, which are amortized over their estimated useful lives. Indefinite-lived intangible assets consist of trade names that are expected to generate cash flows indefinitely. We recorded amortization expense for definite-lived intangible assets of $16.8 million and $10.0 million during the three months ended February 28, 2025 and February 29, 2024, respectively, and $25.5 million and $19.9 million during the six months ended February 28, 2025 and February 29, 2024, respectively. During the six months ended February 28, 2025, we acquired goodwill and intangible assets as part of the QSC acquisition. Refer to Acquisitions footnote of the Notes to Consolidated Financial Statements for additional information. The following table summarizes the changes in the carrying amount of goodwill by segment during the periods presented (in millions):
| Acuity Brands Lighting |  | Acuity Intelligent Spaces |  | Total
Balance at August 31, 2024 | $ | 1,015.1 |  |  | $ | 83.6 |  |  | $ | 1,098.7 |
Provisional amounts from acquired business | — |  |  | 363.5 |  |  | 363.5 |
Foreign currency translation adjustments | (8.2) |  |  | (3.7) |  |  | (11.9) |
Balance at February 28, 2025 | $ | 1,006.9 |  |  | $ | 443.4 |  |  | $ | 1,450.3 |
| Acuity Brands Lighting |  | Acuity Intelligent Spaces |  | Total
Balance at August 31, 2023 | $ | 1,014.4 |  |  | $ | 83.5 |  |  | $ | 1,097.9 |
Foreign currency translation adjustments | (0.6) |  |  | (0.2) |  |  | (0.8) |
Balance at February 29, 2024 | $ | 1,013.8 |  |  | $ | 83.3 |  |  | $ | 1,097.1 |
Further discussion of goodwill and intangible assets is included within the Significant Accounting Policies footnote of the Notes to Consolidated Financial Statements within our Form 10-K.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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