Consolidated Statements of Total Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Total Shareholders' Equity	Noncontrolling Interests
Beginning Balance at Dec. 31, 2020	$ 5,893.3	$ 0.6	$ 3,440.8	$ (158.4)	$ 2,607.7	$ 5,890.7	$ 2.6
Beginning Balance (in shares) at Dec. 31, 2020		62,288,613
Consolidated net earnings	702.8				702.5	702.5	0.3
Other comprehensive loss / earnings	60.8			60.8		60.8
Dividends declared	(148.3)				(148.3)	(148.3)
Issuances of common stock for stock award plans	6.1		6.1			6.1
Issuances of common stock for stock award plans (in shares)		105,377
Shares withheld for employees’ income tax obligations	$ (19.5)		(19.5)			(19.5)
Repurchases of common stock, Shares	0
Stock-based compensation expense	$ 43.0		43.0			43.0
Distribution to owners of noncontrolling interest	(0.6)						(0.6)
Ending Balance at Dec. 31, 2021	6,537.6	$ 0.6	3,470.4	(97.6)	3,161.9	6,535.3	2.3
Ending Balance (in shares) at Dec. 31, 2021		62,393,990
Consolidated net earnings	866.8				866.8	866.8
Other comprehensive loss / earnings	59.1			59.1		59.1
Dividends declared	(159.3)				(159.3)	(159.3)
Issuances of common stock for stock award plans	4.7		4.7			4.7
Issuances of common stock for stock award plans (in shares)		126,699
Shares withheld for employees’ income tax obligations	(28.8)		(28.8)			(28.8)
Repurchases of common stock	$ (150.0)				(150.0)	(150.0)
Repurchases of common stock, Shares	(400,000)	(418,336)
Stock-based compensation expense	$ 42.7		42.7			42.7
Ending Balance at Dec. 31, 2022	$ 7,172.8	$ 0.6	3,489.0	(38.5)	3,719.4	7,170.5	2.3
Ending Balance (in shares) at Dec. 31, 2022	62,102,353	62,102,353
Consolidated net earnings	$ 1,169.4				1,168.9	1,168.9	0.5
Other comprehensive loss / earnings	(10.7)			(10.7)		(10.7)
Dividends declared	(174.5)				(174.5)	(174.5)
Issuances of common stock for stock award plans	2.3		2.3			2.3
Issuances of common stock for stock award plans (in shares)		100,588
Shares withheld for employees’ income tax obligations	(22.1)		(22.1)			(22.1)
Repurchases of common stock	$ (151.2)				(151.2)	(151.2)
Repurchases of common stock, Shares	(400,000)	(381,520)
Stock-based compensation expense	$ 50.0		50.0			50.0
Distribution to owners of noncontrolling interest	(0.5)						(0.5)
Contribution from owners of noncontrolling interest	0.1						0.1
Ending Balance at Dec. 31, 2023	$ 8,035.6	$ 0.6	$ 3,519.2	$ (49.2)	$ 4,562.6	$ 8,033.2	$ 2.4
Ending Balance (in shares) at Dec. 31, 2023	61,821,421	61,821,421