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Supplemental Disclosures (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Allowance for doubtful accounts |  |  |
Interest paid | $ 2.5 | $ 2.6 | $ 3.9
Interest capitalized | 0 | 0 | 1.5
Income taxes paid | 69.8 | 33.7 | 40.0
Capital spending in accounts payable and accrued liabilities | 3.6 | 4.3 | 4.9
Allowance for Doubtful Accounts [Member] |  |  |
Allowance for doubtful accounts |  |  |
Beginning balance | 0.7 | 0.7 | 0.7
Bad debt expense | 0 | 0.1 | 0.1
Write-offs and discounts | (0.2) | (0.1) | 0
Currency translation | (0.1) | 0 | (0.1)
Ending balance | $ 0.4 | $ 0.7 | $ 0.7

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