XML 20 R8.htm IDEA: XBRL DOCUMENT v3.20.2
Condensed Consolidated Statements of Cash Flows (Parentheticals) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Statement of Cash Flows [Abstract]    
Asset retirement obligation $ 2.7  
Cash paid for interest, net of capitalized interest 78.2 $ 72.1
Income taxes paid, net of refunds 39.3 89.9
Non-cash additions to property, plant and equipment $ 12.6 $ 1.9