Earnings Per Share (Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net income from continuing operations		$ 1,020.2	$ 1,377.7	$ 1,373.3
Income (loss) from discontinued operations, net of income taxes		0.9	(0.3)	(0.3)
NET INCOME		$ 1,021.1	$ 1,377.4	$ 1,373.0
Basic weighted average common shares outstanding (in shares)		44.6	56.3	74.2
Dilutive effect of stock options and unvested RSUs (in shares)		0.3	0.4	0.8
Diluted weighted average common shares outstanding (in shares)		44.9	56.7	75.0
Basic EPS amounts
Continuing operations (in dollars per share)	[1]	$ 22.87	$ 24.47	$ 18.51
Discontinued operations (in dollars per share)	[1]	0.02	(0.01)	0
Net income (in dollars per share)	[1]	22.89	24.47	18.50
Diluted EPS amounts:
Continuing operations (in dollars per share)	[1]	22.72	24.30	18.31
Discontinued operations (in dollars per share)	[1]	0.02	(0.01)	0
Net income (in dollars per share)	[1]	$ 22.74	$ 24.29	$ 18.31

[1] (1) EPS amounts are calculated discretely and, therefore, may not add up to the total due to rounding.