Financial Instruments and Risk Management (Rollforward of Contingent Consideration) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Schedule of Activity in Contingent Consideration [Roll Forward]
Balance at beginning of period	$ 199.7
Payments	15.5
Reclassifications	0.0
Accretion expense	1.9
Fair value loss	12.3
Balance at end of period	198.4
Other Current Liabilities [Member]
Schedule of Activity in Contingent Consideration [Roll Forward]
Balance at beginning of period	66.7
Payments	15.5
Reclassifications	35.0
Accretion expense	0.0
Fair value loss	0.0
Balance at end of period	86.2
Other long-term obligations
Schedule of Activity in Contingent Consideration [Roll Forward]
Balance at beginning of period	133.0
Payments	0.0
Reclassifications	(35.0)
Accretion expense	1.9
Fair value loss	12.3
Balance at end of period	$ 112.2