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Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Valuation Allowance |  |  |
Reconciliation of beginning and ending balances of valuation and qualifying accounts |  |  |
Balance Beginning of Period | $ 35.6 | $ 16.9 | $ 24.1
Additions Charged to Costs and Expenses | 8.3 | 18.4 | 4.9
Additions Charged to Other Accounts | 0.0 | 0.3 | 0.0
Deductions | 0.0 | 0.0 | 12.1
Balance End of Period | 43.9 | 35.6 | 16.9
Other Allowances |  |  |
Reconciliation of beginning and ending balances of valuation and qualifying accounts |  |  |
Balance Beginning of Period | 4.8 | 4.1 | 5.0
Additions Charged to Costs and Expenses | 0.0 | 3.8 | 1.0
Additions Charged to Other Accounts | 0.0 | 0.0 | 0.0
Deductions | 0.0 | 3.1 | 1.9
Balance End of Period | $ 4.8 | $ 4.8 | $ 4.1

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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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