Consolidated Statements Of Changes In Shareholders’ Equity - USD ($) $ in Millions	Common Stock Including Additional Paid In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Noncontrolling Interests [Member]	Total
Balance at Dec. 31, 2020	$ 452.1	$ 725.1	$ (246.7)	$ 4.5	$ 935.0
Net income		262.4		0.6	263.0
Other comprehensive (loss) income			66.2		66.2
Stock issued	20.5				21.6
Stock issued				1.1
Stock purchased	(15.9)			(0.8)	(16.7)
Dividends declared		(137.2)			(137.2)
Balance at Dec. 31, 2021	456.7	850.3	(180.5)	5.4	1,131.9
Net income		452.9		0.8	453.7
Other comprehensive (loss) income			27.7	(0.2)	27.5
Stock issued	20.4				20.4
Stock purchased	(14.7)			(0.4)	(15.1)
Dividends declared		(162.2)			(92.8)
Dividends declared	69.4
Balance at Dec. 31, 2022	531.8	1,141.0	(152.8)	5.6	1,525.6
Net income		463.4		1.0	464.4
Other comprehensive (loss) income			(25.1)		(25.1)
Stock issued	22.9				24.4
Stock issued				1.5
Stock purchased	(20.3)			(0.3)	(20.6)
Dividends declared		(187.3)			(80.4)
Dividends declared	106.9
Balance at Dec. 31, 2023	$ 641.3	$ 1,417.1	$ (177.9)	$ 7.8	$ 1,888.3