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Receivables, net (Notes)
9 Months Ended
Sep. 30, 2021
Receivables, Net, Current [Abstract]  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] RECEIVABLES
Receivables consist of:
September 30, 2021December 31, 2020
Trade accounts receivable$148.8 $139.0 
Allowance for current expected credit losses(1.5)(1.6)
Unbilled receivables7.7 5.1 
Taxes receivable2.9 16.0 
Other1.6 2.1 
$159.4 $160.6