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Employee Benefits - Expected Benefit Payments (Details) $ in Millions | Sep. 30, 2021 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
2021 | $ 0.8
2022 | 1.7
2023 | 2.6
2024 | 3.4
2025 | 4.2
2026-2030 | 31.5
Pension Plan | Warrick Rolling Mill |
Defined Benefit Plan Disclosure [Line Items] |
2021 | 0.1
2022 | 0.1
2023 | 0.2
2024 | 0.3
2025 | 0.5
2026-2030 | 4.4
Other Postretirement Benefits Plan | Warrick Rolling Mill |
Defined Benefit Plan Disclosure [Line Items] |
2021 | 0.7
2022 | 1.6
2023 | 2.4
2024 | 3.1
2025 | 3.7
2026-2030 | $ 27.1

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- Definition Amount of benefit for defined benefit plan expected to be paid in next 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=123447040&loc=d3e1928-114920 + Details
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- Definition Amount of benefit for defined benefit plan expected to be paid in fourth 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=123447040&loc=d3e1928-114920 + Details
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