Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($) $ in Millions	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss	Treasury stock
Balance at beginning of period at Dec. 31, 2023	$ 17,444.8	$ 1.1	$ 2,767.0	$ 14,816.3	$ (122.8)	$ (16.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	382.0			382.0
Stock option exercises	47.4		47.4
Treasury stock sold	5.8		5.7			0.1
Currency translation adjustments	(19.1)				(19.1)
Stock-based compensation	34.6		34.6
Restricted stock activity	(17.6)		(17.6)
Dividends declared	(80.3)			(80.3)
Balance at end of period at Mar. 31, 2024	17,797.6	1.1	2,837.1	15,118.0	(141.9)	(16.7)
Balance at beginning of period at Dec. 31, 2024	18,867.6	1.1	3,014.6	16,034.9	(166.5)	(16.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	331.1			331.1
Stock option exercises	67.4		67.4
Treasury stock sold	7.2		7.0			0.2
Currency translation adjustments	19.7				19.7
Stock-based compensation	38.1		38.1
Restricted stock activity	(18.4)		(18.4)
Dividends declared	(89.1)			(89.1)
Balance at end of period at Mar. 31, 2025	$ 19,223.6	$ 1.1	$ 3,108.7	$ 16,276.9	$ (146.8)	$ (16.3)