Condensed Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Shares [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2024	$ 12,476.2	$ 3.2	$ 10,038.1	$ 11,095.3	$ (262.8)	$ (8,405.7)	$ 8.1
Balance, shares at Dec. 31, 2024		317.5
Balance, shares at Dec. 31, 2024						(118.4)
Net earnings	182.6			182.0			0.6
Other comprehensive income (loss)	(24.5)				(24.5)
Cash dividends declared	(47.4)			(47.4)
Stock compensation plans	21.0		20.7	(0.2)		$ 0.5
Stock compensation plans, shares		0.6
Embody, Inc. acquisition consideration	27.8		27.8
Embody, Inc. acquisition consideration, shares		0.3
Share repurchases	(231.9)					$ (231.9)
Share repurchases, Shares						(2.1)
Balance at Mar. 31, 2025	12,403.8	$ 3.2	10,086.6	11,229.7	(287.3)	$ (8,637.1)	8.7
Balance, shares at Mar. 31, 2025		318.4
Balance, shares at Mar. 31, 2025						(120.5)
Balance at Dec. 31, 2025	$ 12,705.8	$ 3.2	10,178.6	11,611.0	(205.7)	$ (8,889.4)	8.1
Balance, shares at Dec. 31, 2025		318.7
Balance, shares at Dec. 31, 2025	123.2					(123.2)
Net earnings	$ 238.3			238.1			0.2
Other comprehensive income (loss)	15.3				15.3
Cash dividends declared	(46.4)			(46.4)
Stock compensation plans	20.9		20.7	(0.2)		$ 0.4
Stock compensation plans, shares		0.6
Share repurchases	(252.3)					$ (252.3)
Share repurchases, Shares						(2.6)
Balance at Mar. 31, 2026	$ 12,681.6	$ 3.2	$ 10,199.3	$ 11,802.5	$ (190.4)	$ (9,141.3)	$ 8.2
Balance, shares at Mar. 31, 2026		319.3
Balance, shares at Mar. 31, 2026	125.9					(125.9)