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v3.21.2

Nature of Operations - Additional Information (Details) $ in Millions |  | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 19, 2021 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 USD ($) Segment | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |
Number of reportable segments of entity (in segments) | Segment |  |  | 4 |  |
Sales |  |  | $ 7,737.3 | $ 6,856.8 | $ 8,382.0
Valuation of intangible assets |  | $ 466.8 | $ 466.8 | $ 418.2 |
Estimated average life |  |  | 14 years 4 months 24 days | 14 years 8 months 12 days |
Valuation of intangible assets with indefinite life |  | 417.1 | $ 417.1 | $ 384.7 |
Goodwill |  | 1,052.0 | 1,052.0 | 1,009.5 | 995.7
Pratt Miller |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |
Purchase price | $ 111.4 |  |  |  |
Consideration paid in cash | 110.6 |  |  |  |
Receivable for post-closing working capital adjustments | 0.6 |  |  |  |
Contingent cash consideration | 1.4 |  |  |  |
Sales of acquiree |  | 64.3 |  |  |
Valuation of intangible assets |  | 25.6 | $ 25.6 |  |
Estimated average life |  |  | 5 years 7 months 6 days |  |
Valuation of intangible assets with indefinite life |  | 32.3 | $ 32.3 |  |
Goodwill | $ 44.4 | 44.4 | 44.4 |  |
Goodwill deductible for income tax purposes |  | $ 43.9 | 43.9 |  |
Transaction costs related to acquisition |  |  | $ 1.1 |  |
CON-E-CO |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |
Sales |  |  |  | $ 35.0 | $ 32.7

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