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Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Valuation Allowance |  |  |  |
Reconciliation of beginning and ending balances of valuation and qualifying accounts |  |  |  |
Balance Beginning of Period |  | $ 24.1 | $ 24.1 | $ 22.1
Additions Charged to Costs and Expenses |  | 4.9 | 0.6 | 1.1
Additions Charged to Other Accounts |  | 0.0 | 0.0 | 0.9
Deductions |  | 12.1 | 0.6 | 0.0
Balance End of Period |  | 16.9 | 24.1 | 24.1
Other Allowances |  |  |  |
Reconciliation of beginning and ending balances of valuation and qualifying accounts |  |  |  |
Balance Beginning of Period | [1] | 5.0 | 3.6 | 10.3
Additions Charged to Costs and Expenses | [1] | 1.0 | 6.4 | 0.6
Additions Charged to Other Accounts | [1] | 0.0 | 0.0 | 0.0
Deductions | [1] | 1.9 | 5.0 | 7.3
Balance End of Period | [1] | $ 4.1 | $ 5.0 | $ 3.6
[1] | Other allowances represented reserves on notes received in connection with transfers of our interests in certain Affiliates, as well as other receivable amounts, which we considered uncollectible. Deductions represented the reversal of such reserves upon collection of the amounts due.

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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) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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