Consolidated Statements Of Changes in Shareholders’ Equity - USD ($) $ in Millions	Common Stock	Common Stock Subscribed, Unissued	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests	Total
Balance at Dec. 31, 2020	$ 452.1		$ 725.1	$ (246.7)	$ 4.5	$ 935.0
Net income			47.2		0.1	47.3
Other comprehensive income				8.0	0.1	8.1
Stock issued	10.0					10.0
Stock purchased	(4.3)				(0.5)	(4.8)
Advance payments		$ 1.1				1.1
Dividends declared			(6.9)			(6.9)
Balance at Mar. 31, 2021	457.8	1.1	765.4	(238.7)	4.2	989.8
Balance at Dec. 31, 2021	456.7		850.3	(180.5)	5.4	1,131.9
Net income			102.2		0.2	102.4
Other comprehensive income				6.5	0.1	6.6
Stock issued	10.4					10.4
Stock purchased	(4.1)				(0.3)	(4.4)
Advance payments		1.1				1.1
Dividends declared			(7.0)			(7.0)
Balance at Mar. 31, 2022	$ 463.0	$ 1.1	$ 945.5	$ (174.0)	$ 5.4	$ 1,241.0