Commitment and Contingencies	6 Months Ended
Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	11. Commitments and Contingencies Risk Management The Company carries general liability, auto liability, workers’ compensation, professional liability, directors’ and officers’ liability and employee health care insurance policies. In addition, the Company carries umbrella liability insurance policies to cover claims over the liability limits contained in the primary policies. The Company’s insurance programs, for workers’ compensation, general liability, auto liability and employee health care for certain employees contain self-insured retention amounts, deductibles and other coverage limits (“self-insured liability”). Claims that are not self-insured as well as claims in excess of the self-insured liability amounts are insured. The Company uses estimates in the determination of the required reserves. These estimates are based upon calculations performed by third-party actuaries, as well as examination of historical trends and industry claims experience. The Company’s reserve for unpaid and incurred but not reported claims under these programs at March 31, 2022 was $152.5, of which $47.9 was classified in current liabilities and $104.6 was classified in non-current liabilities in the accompanying unaudited Consolidated Balance Sheet. The Company’s reserve for unpaid and incurred but not reported claims under these programs at September 30, 2021 was $154.7, of which $50.2 was classified in current liabilities and $104.5 was classified in non-current liabilities in the accompanying Consolidated Balance Sheets. While the ultimate amount of these claims is dependent on future developments, in management’s opinion, recorded reserves are adequate to cover these claims. The Company’s reserve for unpaid and incurred but not reported claims at March 31, 2022 includes $22.6 related to claims recoverable from third party insurance carriers. Corresponding assets of $6.3 and $16.3 are recorded at March 31, 2022, as Other current assets and Other assets, respectively. The Company’s reserve for unpaid and incurred but not reported claims at September 30, 2021 includes $30.5 related to claims recoverable from third party insurance carriers. Corresponding assets of $8.2 and $22.3 were recorded at September 30, 2021, as Other current assets and Other assets, respectively. Litigation Contingency From time to time, the Company is subject to legal proceedings and claims in the ordinary course of its business, principally claims made alleging injuries (including vehicle and general liability matters as well as workers’ compensation and property casualty claims). Such claims, even if lacking merit, can result in expenditures of significant financial and managerial resources. In the ordinary course of its business, the Company is also subject to claims involving current and/or former employees and disputes involving commercial and regulatory matters. Regulatory matters include, among other things, audits and reviews of local and federal tax compliance, safety and employment practices. Although the process of resolving regulatory matters and claims through litigation and other means is inherently uncertain, the Company is not aware of any such matter, legal proceeding or claim that it believes will have, individually or in the aggregate, a material effect on the Company, its financial condition, and results of operations or cash flows. For all legal matters, an estimated liability is established in accordance with the loss contingencies accounting guidance. This estimated liability is included in Accrued expenses and other current liabilities in the accompanying Consolidated Balance Sheets.

Commitment and Contingencies

6 Months Ended

Mar. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

11. Commitments and Contingencies

Risk Management

The Company carries general liability, auto liability, workers’ compensation, professional liability, directors’ and officers’ liability and employee health care insurance policies. In addition, the Company carries umbrella liability insurance policies to cover claims over the liability limits contained in the primary policies. The Company’s insurance programs, for workers’ compensation, general liability, auto liability and employee health care for certain employees contain self-insured retention amounts, deductibles and other coverage limits (“self-insured liability”). Claims that are not self-insured as well as claims in excess of the self-insured liability amounts are insured. The Company uses estimates in the determination of the required reserves. These estimates are based upon calculations performed by third-party actuaries, as well as examination of historical trends and industry claims experience. The Company’s reserve for unpaid and incurred but not reported claims under these programs at March 31, 2022 was $152.5, of which $47.9 was classified in current liabilities and $104.6 was classified in non-current liabilities in the accompanying unaudited Consolidated Balance Sheet. The Company’s reserve for unpaid and incurred but not reported claims under these programs at September 30, 2021 was $154.7, of which $50.2 was classified in current liabilities and $104.5 was classified in non-current liabilities in the accompanying Consolidated Balance Sheets. While the ultimate amount of these claims is dependent on future developments, in management’s opinion, recorded reserves are adequate to cover these claims. The Company’s reserve for unpaid and incurred but not reported claims at March 31, 2022 includes $22.6 related to claims recoverable from third party insurance carriers. Corresponding assets of $6.3 and $16.3 are recorded at March 31, 2022, as Other current assets and Other assets, respectively. The Company’s reserve for unpaid and incurred but not reported claims at September 30, 2021 includes $30.5 related to claims recoverable from third party insurance carriers. Corresponding assets of $8.2 and $22.3 were recorded at September 30, 2021, as Other current assets and Other assets, respectively.

Litigation Contingency

From time to time, the Company is subject to legal proceedings and claims in the ordinary course of its business, principally claims made alleging injuries (including vehicle and general liability matters as well as workers’ compensation and property casualty claims). Such claims, even if lacking merit, can result in expenditures of significant financial and managerial resources. In the ordinary course of its business, the Company is also subject to claims involving current and/or former employees and disputes involving commercial and regulatory matters. Regulatory matters include, among other things, audits and reviews of local and federal tax compliance, safety and employment practices. Although the process of resolving regulatory matters and claims through litigation and other means is inherently uncertain, the Company is not aware of any such matter, legal proceeding or claim that it believes will have, individually or in the aggregate, a material effect on the Company, its financial condition, and results of operations or cash flows. For all legal matters, an estimated liability is established in accordance with the loss contingencies accounting guidance. This estimated liability is included in Accrued expenses and other current liabilities in the accompanying Consolidated Balance Sheets.