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Pension and Other Postretirement Benefit Plans - Estimated Future Benefit Payments (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Pension [Member] |
Estimated Future Benefit Payments [Abstract] |
2022 | $ 54.6
2023 | 54.4
2024 | 54.4
2025 | 53.8
2026 | 53.1
Years 2027 - 2031 | 257.2
Postretirement Health and Life [Member] |
Estimated Future Benefit Payments [Abstract] |
2022 | 8.4
2023 | 8.4
2024 | 8.4
2025 | 8.2
2026 | 8.1
Years 2027 - 2031 | $ 41.6

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