CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Millions, $ in Millions	Common Stock [Member]	Capital In Excess Of Par Value [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Shareholders' Equity [Member]	Non-controlling Interest [Member]	Total
Beginning balance, shares at Dec. 31, 2019	132.4
Beginning Balance at Dec. 31, 2019	$ 132.4	$ 2,791.3	$ 2,895.9	$ (197.7)	$ 5,621.9	$ 0.0	$ 5,621.9
Net earnings	$ 0.0	0.0	584.5	0.0	584.5	0.0	584.5
Share-based compensation plans, net of shares withheld for taxes, shares	0.3
Share-based compensation plans, net of shares withheld for taxes	$ 0.3	(22.4)	0.0	0.0	(22.1)	0.0	(22.1)
Purchase and retirement of common stock, shares	(0.2)
Purchase and retirement of common stock	$ (0.2)	(0.0)	(25.9)	(0.0)	(26.1)	(0.0)	(26.1)
Share-based compensation expense	0.0	33.0	0.0	0.0	33.0	0.0	33.0
Cash dividends on common stock	(0.0)	(0.0)	(180.2)	(0.0)	(180.2)	(0.0)	(180.2)
Other comprehensive income (loss)	0.0	0.0	0.0	16.4	16.4	0.0	16.4
Other	$ 0.0	0.1	(0.2)	0.0	(0.1)	0.0	(0.1)
Ending balance, shares at Dec. 31, 2020	132.5
Ending Balance at Dec. 31, 2020	$ 132.5	2,802.0	3,274.1	(181.3)	6,027.3	0.0	6,027.3
Net earnings	$ 0.0	0.0	670.8	0.0	670.8	(0.4)	670.4
Share-based compensation plans, net of shares withheld for taxes, shares	0.2
Share-based compensation plans, net of shares withheld for taxes	$ 0.2	(20.3)	0.0	0.0	(20.1)	0.0	(20.1)
Share-based compensation expense	0.0	34.7	0.0	0.0	34.7	0.0	34.7
Cash dividends on common stock	(0.0)	(0.0)	(196.4)	(0.0)	(196.4)	(0.0)	(196.4)
Other comprehensive income (loss)	0.0	0.0	0.0	28.6	28.6	0.0	28.6
Acquisition of noncontrolling interests	0.0	0.0	0.0	0.0	0.0	23.1	23.1
Other	$ 0.0	0.1	0.0	0.0	0.1	0.0	0.1
Ending balance, shares at Dec. 31, 2021	132.7
Ending Balance at Dec. 31, 2021	$ 132.7	2,816.5	3,748.5	(152.7)	6,545.0	22.7	6,567.7
Net earnings	$ 0.0	0.0	575.6	0.0	575.6	0.9	576.5
Share-based compensation plans, net of shares withheld for taxes, shares	0.2
Share-based compensation plans, net of shares withheld for taxes	$ 0.2	(18.7)	0.0	0.0	(18.5)	0.0	(18.5)
Share-based compensation expense	0.0	41.1	0.0	0.0	41.1	0.0	41.1
Cash dividends on common stock	(0.0)	(0.0)	(212.6)	(0.0)	(212.6)	(0.0)	(212.6)
Other comprehensive income (loss)	0.0	0.0	0.0	(2.0)	(2.0)	0.0	(2.0)
Other	$ 0.0	0.1	(0.1)	0.0	0.0	0.0	0.0
Ending balance, shares at Dec. 31, 2022	132.9
Ending Balance at Dec. 31, 2022	$ 132.9	$ 2,839.0	$ 4,111.4	$ (154.7)	$ 6,928.6	$ 23.6	$ 6,952.2