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v3.24.3

Significant Accounting Policies - Goodwill and Other Intangibles (Details) |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 01, 2024 USD ($) intangible_asset | Aug. 31, 2024 USD ($) intangible_asset reporting_unit | Aug. 31, 2024 USD ($) | Aug. 31, 2023 USD ($) reporting_unit intangible_asset | Aug. 31, 2022 USD ($) reporting_unit | Jun. 01, 2023
Goodwill [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  | $ 1,097,900,000 | $ 1,084,300,000 |  |
Additions from acquired businesses |  |  |  | 15,200,000 |  |
Adjustments to provisional amounts from acquired businesses |  |  |  | (200,000) |  |
Derecognitions for divestitures |  |  |  | (700,000) |  |
Foreign currency translation adjustments |  |  | 800,000 | (700,000) |  |
Ending balance | $ 1,100,000,000 | $ 1,098,700,000 | 1,098,700,000 | 1,097,900,000 | $ 1,084,300,000 |
Gross Carrying Amount |  | 693,400,000 | 693,400,000 | 691,100,000 |  |
Accumulated Amortization |  | (385,500,000) | (385,500,000) | (345,500,000) |  |
Indefinite-lived trade names | $ 135,500,000 |  |  |  |  |
Amortization expense of finite-lived intangible assets |  |  | 39,700,000 | 42,100,000 | 41,000,000.0 |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |
2025 |  | 32,100,000 | 32,100,000 |  |  |
2026 |  | 29,800,000 | 29,800,000 |  |  |
2027 |  | 28,300,000 | 28,300,000 |  |  |
2028 |  | 24,200,000 | 24,200,000 |  |  |
2029 |  | $ 22,800,000 | 22,800,000 |  |  |
Goodwill impairment charge |  |  |  | $ 0 | $ 0 |
Number of reporting units | reporting_unit |  | 3 |  | 3 | 3 |
Indefinite-lived intangible assets held | intangible_asset | 8 |  |  |  |  |
Indefinite-lived intangible assets | $ 135,500,000 |  |  |  |  |
Number of unimpaired intangible assets | intangible_asset | 7 |  |  |  |  |
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  | Special charges |  |
Trade Names |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Indefinite-lived trade names |  | $ 132,600,000 | 132,600,000 | $ 135,600,000 |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |
Indefinite-lived intangible assets |  | $ 132,600,000 | 132,600,000 | $ 135,600,000 |  |
Number of unimpaired intangible assets | intangible_asset |  |  |  | 7 |  |
Number of impaired intangible assets | intangible_asset |  | 1 |  | 6 |  |
Intangible asset impairment charge |  | $ 3,000,000.0 |  | $ 14,000,000.0 |  |
No longer indefinite lives | intangible_asset |  |  |  | 5 |  |
Patents and patented technology |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Gross Carrying Amount |  | 157,500,000 | 157,500,000 | $ 158,800,000 |  |
Accumulated Amortization |  | (133,300,000) | (133,300,000) | (122,300,000) |  |
Trademarks and trade names |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Gross Carrying Amount |  | 45,500,000 | 45,500,000 | 45,500,000 |  |
Accumulated Amortization |  | (20,500,000) | (20,500,000) | (18,400,000) |  |
Distribution networks |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Gross Carrying Amount |  | 61,800,000 | 61,800,000 | 61,800,000 |  |
Accumulated Amortization |  | (51,600,000) | (51,600,000) | (49,400,000) |  |
Customer relationships |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Gross Carrying Amount |  | 428,600,000 | 428,600,000 | 425,000,000.0 |  |
Accumulated Amortization |  | (180,100,000) | (180,100,000) | (155,400,000) |  |
Trade Names No Longer With Indefinite Lives |  |  |  |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |  |  |
Amortization period |  |  |  |  |  | 15 years
ABL |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  | 1,014,400,000 | 1,014,200,000 |  |
Additions from acquired businesses |  |  |  | 0 |  |
Adjustments to provisional amounts from acquired businesses |  |  |  | 0 |  |
Derecognitions for divestitures |  |  |  | (700,000) |  |
Foreign currency translation adjustments |  |  | 700,000 | 900,000 |  |
Ending balance |  | 1,015,100,000 | 1,015,100,000 | 1,014,400,000 | $ 1,014,200,000 |
ISG |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Beginning balance |  |  | 83,500,000 | 70,100,000 |  |
Additions from acquired businesses |  |  |  | 15,200,000 |  |
Adjustments to provisional amounts from acquired businesses |  |  |  | (200,000) |  |
Derecognitions for divestitures |  |  |  | 0 |  |
Foreign currency translation adjustments |  |  | 100,000 | (1,600,000) |  |
Ending balance |  | $ 83,600,000 | $ 83,600,000 | $ 83,500,000 | $ 70,100,000 |

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