XML 26 R37.htm IDEA: XBRL DOCUMENT v3.19.3
Pension and Postretirement Benefits (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Defined Benefit and Defined Contribution Plan Disclosure [Line Items]    
Total Pension Plans Costs $ 34.0 $ 30.0