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Schedule II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Allowance for doubtful accounts |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | $ 5.7 | $ 5.4 | $ 5.5
Additions | 1.5 | 3.6 | 2.0
Deductions, Recoveries & Other | (1.7) | (3.3) | (2.1)
Balance at Ending of Year | 5.5 | 5.7 | 5.4
Tax valuation allowance |  |  |
Valuation and qualifying accounts |  |  |
Balance at Beginning of Year | 45.7 | 40.5 | 36.6
Additions | 18.5 | 5.4 | 4.0
Deductions, Recoveries & Other |  | (0.2) | (0.1)
Balance at Ending of Year | $ 64.2 | $ 45.7 | $ 40.5

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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