Condensed Consolidated Statements of Comprehensive Income (Loss) (Parentheticals) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Unrealized hedging gains (losses) and other, tax	$ (6.8)	$ 0.5	$ (9.4)	$ 2.5
Reclassification of deferred hedging (gains) losses and other, included in net income, tax	6.1	0.6	11.3	3.6
Total derivative instruments, tax	(0.7)	1.1	1.9	6.1
Unrealized actuarial gains (losses) and prior service (costs) credits, tax	0.0	(0.2)	0.0	(0.6)
Reclassification of net actuarial and other (gain) loss and amortization of prior service costs, included in net income, tax	0.0	0.7	1.8	1.8
Total pension and other postretirement benefits, tax	$ 0.0	$ (0.5)	$ (1.8)	$ 1.2

Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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-Name Accounting Standards Codification
-Topic 220
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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.

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Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount, before reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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