XML 54 R90.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Leases Leases Supplemental Balance Sheet Information (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Leases [Abstract]    
Operating Lease, Right-of-Use Asset $ 58.1 $ 0.0
Current lease liability 21.1 0.0
Long-term lease liability 51.8 $ 0.0
Total operating lease liabilities $ 72.9  
Weighted-average remaining lease term (in years) 5 years 1 month 6 days  
Operating Lease, Weighted Average Discount Rate, Percent 8.23%