Amount of write-off for accumulated net actuarial losses related to the disposal group's pension plan.

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Contractual interest rate charged under the note receivable agreement.

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Period of time between issuance and maturity of the note receivable facility, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold.

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No definition available.

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Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.

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The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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General (Details) € in Millions, $ in Millions	1 Months Ended	3 Months Ended				6 Months Ended		12 Months Ended
General (Details) € in Millions, $ in Millions	Jul. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 EUR (€)	Jun. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2021 USD ($)	Apr. 30, 2021 USD ($)
Disposition of Business [Abstract]
Loss on sale of business		$ 0.0			$ 0.0	$ (6.6)	$ 0.0
Disbursements for loan origination						4.7	0.0
Impairment charges		$ 3.3			0.0	$ 1.5	$ 0.0
Chief Executive Officer [Member] \| SG&A Expenses [Member]
Chief Executive Officer Transition [Abstract]
Employee severance and related benefits					$ 5.5
Air-Cooled Automotive Business [Member]
Disposition of Business [Abstract]
Loss on sale of business				$ (6.6)
Write-off of net actuarial losses				1.7
Cash transferred to buyer									$ 5.9
Net sales								$ 63.0
Term of loan receivable						5 years
Interest rate		2.50%	2.50%
Disbursements for loan origination		$ 4.7	€ 4.0
Air-Cooled Automotive Business [Member] \| Other Noncurrent Assets [Member]
Disposition of Business [Abstract]
Loan receivable \| €			€ 4.0
Previously-Closed Manufacturing Facility [Member]
Disposition of Business [Abstract]
Proceeds from disposition of assets	$ 0.7
Previously-Closed Manufacturing Facility [Member] \| CIS [Member]
Disposition of Business [Abstract]
Impairment charges				$ 0.3