Segment Reporting (Geographic Segments) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenue	$ 1,853.3	$ 3,499.9
Operating Segments | Switzerland
Segment Reporting Information [Line Items]
Revenue	821.4	841.8
Operating Segments | Belgium
Segment Reporting Information [Line Items]
Revenue	724.4	772.7
Operating Segments | Ireland
Segment Reporting Information [Line Items]
Revenue	127.8	136.1
Operating Segments | Slovakia
Segment Reporting Information [Line Items]
Revenue	12.9	13.0
Operating Segments | U.K.
Segment Reporting Information [Line Items]
Revenue	0.0	1,635.0
Other, including intersegment eliminations
Segment Reporting Information [Line Items]
Revenue	$ 166.8	$ 101.3