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v3.23.2

Acquisitions and Divestitures (Details) $ in Millions |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
May 15, 2023 USD ($) | Nov. 30, 2022 USD ($) | May 31, 2023 USD ($) | May 31, 2022 USD ($) | Aug. 31, 2022 USD ($) acquisition | Oct. 30, 2022 USD ($) | Aug. 31, 2021 USD ($)
Business Combination and Asset Acquisition [Abstract] |  |  |  |  |  |  |
Number of acquisitions completed | acquisition |  |  |  |  | 0 |  |
Cash outflow |  |  |  | $ (12.2) |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Goodwill |  |  | $ 1,096.7 | 1,090.9 | $ 1,084.3 |  | $ 1,094.7
Preliminary goodwill |  |  | 15.2 |  |  |  |
Pre-tax loss on the sale |  |  | 11.2 | 0.0 |  |  |
ISG |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Goodwill |  |  | 83.4 | $ 72.4 | $ 70.1 |  | $ 72.5
Preliminary goodwill |  |  | $ 15.2 |  |  |  |
KE2 Therm Solutions, Inc |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Goodwill | $ 15.2 |  |  |  |  |  |
Identified intangible assets | $ 18.0 |  |  |  |  |  |
Weighted average amortization period in years | 15 years |  |  |  |  |  |
Sunoptics Prismatic Skylights Business | Disposal Group, Not Discontinued Operations |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Assets transferred |  |  |  |  |  | $ 15.1 |
Pre-tax loss on the sale |  | $ 11.2 |  |  |  |  |

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