Supplemental Cash Flow Information (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]
Interest Paid, Excluding Capitalized Interest, Operating Activities		$ 221.6	$ 171.1	$ 175.9
Change in operating lease right-of-use asset and lease liabilities		(32.4)	55.1	(35.2)
Cash paid for income taxes, net of refunds	[1]	320.3	255.7	229.1
Tax refunds		40.1	35.7	47.1
Restructuring Charges		0.1	102.4	10.6
Supplemental Cash Flow Elements [Abstract]
Lease restructuring costs			85.4	6.3
Change in operating lease right-of-use asset and lease liabilities		(32.4)	55.1	(35.2)
Net cash activities for operating lease right-of-use asset and lease liabilities included in Other non-current assets and liabilities under Operating Activities		$ 31.2	$ 30.3	$ 41.5

[1] Refunds of $40.1, $35.7 and $47.1 were received for the years ended December 31, 2023, 2022 and 2021, respectively.