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Schedule II Valuation and Qualifying Accounts and Reserves (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |  |
Balance |  | $ 17.7 | $ 11.7 | $ 5.7
Charged to Expenses / Against Revenue | [1] | 17.7 | 13.1 | 7.2
Deductions - Write-offs | [2] | (14.1) | (7.1) | (1.2)
Balance |  | 21.3 | 17.7 | 11.7
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] |  |  |  |
Balance |  | 48.0 | 46.5 | 34.5
Charged to Expenses / Against Revenue | [1] | 17.4 | 10.7 | 16.7
Deductions - Write-offs | [2] | (1.3) | (9.2) | (4.7)
Balance |  | $ 64.1 | $ 48.0 | $ 46.5
[1] | Primarily additional reserves for bad debts
[2] | Primarily accounts receivable balances written off, net of recoveries, the expiration of loss carryforwards, and businesses held for sale

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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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