Defined Benefit Plan, Settlement to Projected Benefit Obligation and Plan Assets

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- Definition

Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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- Definition

Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

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- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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Pension Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Pension Plans (Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Plan settlement to projected benefit obligation and plan assets	$ 8.6	$ 36.9
Noncurrent assets	11.4
Settlement loss on pension plan terminations	3.7	14.1	$ 0.0
United States
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 531.3	494.5
Percentage of assets represented by U.S. plan	79.00%
United States \| Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percent	40.00%
United States \| Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percent	60.00%
United States \| Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	$ 0.0	0.0
Settlement loss on pension plan terminations	0.0	0.1	0.5
Company contributions	2.4
Net actuarial losses	6.5
International Pension Plan Assets
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	143.7	141.2
International Pension Plan Assets \| Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	12.1	17.1
Settlement loss on pension plan terminations	0.4	$ 1.0	$ 0.2
Company contributions	3.3
Net actuarial losses	$ 1.4