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Schedule II - Consolidated Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Allowance for doubtful accounts and sales allowances |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | $ 28.1 | $ 19.2 | $ 20.3
Additions charged to costs and expenses | 1.5 | 11.7 | 8.2
Deductions | (10.3) | (10.2) | (7.8)
Other | 0.4 | 7.4 | (1.5)
Balance at end of year | 19.7 | 28.1 | 19.2
Reserve for inventory obsolescence |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at beginning of year | 36.2 | 28.5 | 25.7
Additions charged to costs and expenses | 3.8 | 9.0 | 5.6
Deductions | (2.8) | (2.6) | (2.7)
Other | (1.1) | 1.3 | (0.1)
Balance at end of year | $ 36.1 | $ 36.2 | $ 28.5

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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=120395691&loc=d3e24092-122690 + Details
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