Supplemental Balance Sheet Information (Components of Other Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Balance Sheet Related Disclosures [Abstract]
Capitalized software (Note 1)	$ 76.0	$ 83.1
Judicial deposits	50.9	70.1
Net overfunded pension plans (Note 13)	103.0	100.6
Long-term receivables	157.0	196.1
Trust assets associated with supplemental benefit plans (Note 13)	33.7	37.3
Other	17.9	27.6
Other assets	438.5	514.8
Property, Plant and Equipment [Line Items]
Tooling	438.6	488.0
Tooling
Property, Plant and Equipment [Line Items]
Tooling	$ 7.4	$ 12.9