XML 24 R55.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Leases - Schedule of Short Term and Variable Lease Costs (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Leases [Abstract]  
Short-term lease cost $ 33.1
Variable lease cost $ 58.1