Segment Information (Total Revenue by Major Country) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 3,202.9	$ 3,431.2	$ 4,494.1
Revenues	3,404.5	3,625.2	4,763.2
Brazil
Disaggregation of Revenue [Line Items]
Revenues	627.0	729.9	1,034.4
Mexico
Disaggregation of Revenue [Line Items]
Revenues	249.2	420.2	509.4
All other
Disaggregation of Revenue [Line Items]
Revenues	$ 2,528.3	$ 2,475.1	$ 3,219.4