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SUPPLEMENTAL CASH FLOW INFORMATION
9 Months Ended
Sep. 30, 2021
Supplemental Cash Flow Information [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION SUPPLEMENTAL CASH FLOW INFORMATION
Nine Months Ended September 30
(in millions)20212020
Cash paid for interest, net of amount capitalized$35.9 $35.7 
Cash received for income taxes, net(42.1)(16.4)
Significant non-cash investing and financing transactions:
Accounts payable related to construction costs30.8 48.6