Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Direct premiums and escrow fees	$ 2,252.1	$ 3,084.8	$ 3,598.4
Agent premiums	2,449.3	3,547.6	3,757.1
Information and other	938.5	1,148.5	1,214.9
Net investment income	570.0	340.1	214.8
Net investment (losses) gains (realized of $(80.9), $(85.4), $20.3)	(206.4)	(515.8)	435.6
Total revenues	6,003.5	7,605.2	9,220.8
Expenses:
Personnel costs	1,989.1	2,339.6	2,350.3
Premiums retained by agents	1,952.2	2,829.7	2,986.6
Other operating expenses	1,067.0	1,272.3	1,322.9
Provision for policy losses and other claims	336.3	486.3	588.7
Depreciation and amortization	188.5	167.5	158.4
Premium taxes	63.5	91.1	100.2
Interest	132.5	93.0	72.4
Total expenses	5,729.1	7,279.5	7,579.5
Income before income taxes	274.4	325.7	1,641.3
Income taxes	58.9	60.4	392.2
Net income	215.5	265.3	1,249.1
Less: Net (loss) income attributable to noncontrolling interests	(1.3)	2.3	8.0
Net income attributable to the Company	$ 216.8	$ 263.0	$ 1,241.1
Net income per share attributable to the Company’s stockholders:
Basic	$ 2.08	$ 2.46	$ 11.18
Diluted	2.07	2.45	11.14
Cash dividends per share	$ 2.1	$ 2.06	$ 1.94
Weighted-average common shares outstanding:
Basic	104.3	107.0	111.0
Diluted	104.6	107.3	111.4