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v3.20.4

Supplemental Disclosures (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Allowance for Doubtful Accounts |  |  |
Beginning balance | $ 1.5 | $ 1.7 | $ 1.0
Bad debt expense | 1.0 | 0.4 | 1.2
Recoveries | 0.0 | (0.3) | (0.2)
Write-offs and discounts | (1.4) | (0.3) | (0.3)
Ending balance | 1.1 | 1.5 | 1.7
Interest paid | 31.4 | 29.1 | 24.0
Income taxes paid | 14.8 | 20.8 | 23.2
Capital spending in accounts payable and accrued liabilities | $ 5.2 | $ 5.9 | $ 5.0

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