Employee Benefit Plans - Schedule of Estimated Future Benefit Payments (Details) $ in Millions	Sep. 30, 2020 USD ($)
Pension Benefits \| Qualified
Estimated future benefit payment under company sponsored plans
2021	$ 15.7
2022	17.2
2023	18.9
2024	20.4
2025	21.9
2026-2030	128.4
Pension Benefits \| Non-Qualified
Estimated future benefit payment under company sponsored plans
2021	1.9
2022	1.9
2023	2.0
2024	2.0
2025	1.9
2026-2030	10.0
Postretirement Health and Other
Estimated future benefit payment under company sponsored plans
2021	2.5
2022	3.0
2023	3.1
2024	3.6
2025	3.4
2026-2030	$ 20.9

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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