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Condensed Consolidated Statements of Cash Flows (Parentheticals) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Statement of Cash Flows [Abstract]    
Cash paid for interest, net of capitalized interest $ 25.1 $ 32.1
Income taxes paid, net of refunds 24.5 29.0
Non-cash additions to property, plant and equipment $ 8.7 $ 12.5