Financing (Capitalization Of Long-Term Debt) (Details) $ in Millions	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Disclosure [Abstract]
Long-term debt	$ 842.4	$ 842.9
Total shareholders’ equity	1,832.3	$ 1,528.9
Capitalization	$ 2,674.7
Total indebtedness to capitalization	0.315

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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+ Details