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Contingencies, Significant Estimates and Concentrations - Additional Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Loss Contingencies [Line Items] |  |  |  |  |
Approximate percentage of workforce covered under collective bargaining agreements (as a percent) |  |  | 19.00% |  |
Miscellaneous, net | [1] | $ (5,600,000) | $ (52,800,000) | $ (2,100,000) | $ 2,200,000
Commercial |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Gain on Business Interruption Insurance Recovery |  |  |  |  | 12,300,000
Personal Injury Actions and Other |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Maximum self-insurance available per claim |  |  | 5,000,000.0 |  |
Reserve for loss contingencies |  | 45,100,000 | 41,200,000 | 49,500,000 |
Property and Business Interruption Insurance | Commercial |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Gain on Business Interruption Insurance Recovery |  |  |  |  | 18,500,000
Reduction of cost of sales |  |  |  |  | 10,800,000
Reduction of selling, general and administrative expense |  |  |  |  | 1,500,000
Miscellaneous, net |  |  |  |  | $ 6,200,000
Performance and Specialty Bonds |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Commitments and contingencies |  | 1,240,000,000 | 2,040,000,000.00 | 1,130,000,000 |
Standby Letters of Credit |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Commitments and contingencies |  | $ 22,100,000 | $ 18,800,000 | $ 22,300,000 |
[1] | Results for fiscal 2022 include a $33.6 million charge from the settlement of a frozen pension plan. Results for the year ended September 30, 2020 include a $6.2 million gain from insurance proceeds in excess of property loss in the Commercial segment.

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