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Schedule II - Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Valuation and Qualifying Accounts Disclosure [Roll Forward] |  |  |  |
Balance at beginning of period |  | $ 12.9 | $ 3.2 | $ 4.2
Additions charged to costs, provisions and expenses |  | 2.6 | 6.3 | 3.2
Deductions | [1] | (0.5) | 3.4 | (4.2)
Balance at end of period |  | $ 15.0 | $ 12.9 | $ 3.2
[1] | Includes impact of write-offs, translation of foreign currencies and reclassifications for presentation purposes.

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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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