XML 72 R61.htm IDEA: XBRL DOCUMENT v3.21.1
Goodwill and Intangible Assets - Government Grants (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets    
Gross carrying amount $ 430.9 $ 436.0
Government grants    
Finite-Lived Intangible Assets    
Gross carrying amount 7.6 7.8
Government grants | Current    
Finite-Lived Intangible Assets    
Gross carrying amount 0.5 0.5
Government grants | Long-term    
Finite-Lived Intangible Assets    
Gross carrying amount $ 7.1 $ 7.3