XML 62 R50.htm IDEA: XBRL DOCUMENT v3.20.2
Income taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income taxes        
Effective income tax rate (as a percent) 26.70% 23.10% 27.00% 23.60%
Income tax benefit from loss on extinguishment of debt $ 1.4      
Effect of net operating loss carryback charges related to CARES Act     $ 1.6  
Accrued liability, CARES Act $ 2.7   $ 2.7