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Supplemental Disclosures (Tables)
12 Months Ended
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Allowance for Doubtful Accounts
Accounts receivable, net are summarized as follows ($ in millions):
December 31,
20202019
Trade receivables$130.9 $114.6 
Business tax credits, including VAT4.0 5.2 
Hedge contracts receivable0.3 4.9 
Other receivables14.4 20.0 
Less allowance for doubtful accounts and sales discounts(1.1)(1.5)
Total accounts receivable, net$148.5 $143.2 
Analysis of Allowances for Doubtful Accounts:
($ in millions)
For the Years Ended December 31,
202020192018
Allowance for Doubtful Accounts
Beginning balance$1.5 $1.7 $1.0 
Bad debt expense1.0 0.4 1.2 
Recoveries— (0.3)(0.2)
Write-offs and discounts(1.4)(0.3)(0.3)
Ending balance$1.1 $1.5 $1.7 
Schedule of Cash Flow, Supplemental Disclosures
Supplemental Cash Flow Information
($ in millions)
For the Years Ended December 31,
202020192018
Interest paid$31.4 $29.1 $24.0 
Income taxes paid14.8 20.8 23.2 
Capital spending in accounts payable and accrued liabilities5.2 5.9 5.0