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Condensed Consolidated Statements of Comprehensive Income (Loss) (Parentheticals) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Statement of Comprehensive Income [Abstract] |  |
Unrealized hedging gains (losses) and other, tax | $ (4.1) | $ (0.5)
Reclassification of deferred hedging (gains) losses and other, included in net income, tax | 2.2 | 1.5
Total derivative instruments, tax | (1.9) | 1.0
Unrealized actuarial gains (losses) and prior service (costs) credits, tax | 0.0 | 0.0
Reclassification of net actuarial and other (gain) loss and amortization of prior service costs, included in net income, tax | 0.8 | 1.0
Total pension and other postretirement benefits, tax | $ (0.8) | $ 1.0

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- Definition Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-12 + Details
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