XML 95 R56.htm IDEA: XBRL DOCUMENT v3.20.4
Leases - Lease Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Assets    
Operating lease right-of-use assets $ 21.9 $ 27.6
Finance lease right-of-use assets 0.6 0.6
Total lease right-of-use assets 22.5 28.2
Current liabilities:    
Operating leases 8.2 8.2
Finance leases 0.2 0.2
Noncurrent liabilities:    
Operating leases 15.5 21.6
Finance leases 0.4 0.4
Total lease liabilities $ 24.3 $ 30.4