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Supplemental Cash Flow Information
6 Months Ended
Jun. 30, 2022
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information SUPPLEMENTAL CASH FLOW INFORMATION
Six months ended
June 30,
(in millions)20222021
Cash paid during the period for income taxes$1.0 $1.7 
Cash paid for interest— 1.7 
Cash received for income tax receivables— 89.9 
Establishment of operating lease right-of-use assets and lease liabilities
Operating lease right-of-use assets$15.5 $40.5 
Operating lease liabilities15.5 46.7 
Tenant improvement allowance not yet received16.0 — 
Purchases of property, plant and equipment in accounts payable and accrued liabilities4.3 —