CONDENSED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Total common shareholder's equity	Common stock	Additional paid in capital	Retained earnings
Balance at Dec. 31, 2020		$ 2,116.7	$ 95.6	$ 1,436.4	$ 584.7
Statements of equity
Net income	$ 69.3	69.3	0.0	0.0	69.3
Equity contribution from parent	0.0
Payment of dividends to parent		(30.0)	0.0	0.0	(30.0)
Stock-based compensation and other		0.1	0.0	0.1	0.0
Balance at Mar. 31, 2021		2,156.1	95.6	1,436.5	624.0
Balance at Dec. 31, 2021		2,143.0	95.6	1,491.5	555.9
Statements of equity
Net income	76.6	76.6	0.0	0.0	76.6
Equity contribution from parent	$ 125.0	125.0	0.0	125.0	0.0
Payment of dividends to parent		(30.0)	0.0	0.0	(30.0)
Stock-based compensation and other		0.2	0.0	0.2	0.0
Balance at Mar. 31, 2022		$ 2,314.8	$ 95.6	$ 1,616.7	$ 602.5