XML 24 R50.htm IDEA: XBRL DOCUMENT v3.19.3
Leases (Schedule of Lease Costs) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Leases [Abstract]    
Operating lease cost $ 12.2 $ 36.5
Variable lease cost 0.1 1.3
Sublease income (1.2) (3.4)
Total lease costs $ 11.1 $ 34.4