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Supplemental Cash Flow Information
9 Months Ended
Sep. 30, 2021
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information SUPPLEMENTAL CASH FLOW INFORMATION
Nine months ended
September 30,
(in millions)20212020
Cash paid during the period for income taxes$2.4 $2.3 
Cash paid for interest2.1 6.9 
Cash received for income tax receivables89.9 — 
Establishment of operating lease right-of-use assets and lease liabilities
Operating lease right-of-use assets$40.5 $— 
Operating lease liabilities46.8 —