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Valuation and Qualifying Accounts and Reserves - Components of Valuation and Qualifying Accounts and Reserves (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Allowance for doubtful accounts |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | $ 6.5 | $ 8.4 | $ 10.5
Charged to Costs and Expenses | 2.3 | 0.3 | (0.1)
Deductions | (1.0) | (2.5) | (2.1)
Foreign Currency Translation and Other | 1.3 | 0.3 | 0.1
Balance at End of Year | 9.1 | 6.5 | 8.4
Inventory obsolescence reserve |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 15.5 | 13.4 | 12.2
Charged to Costs and Expenses | 4.8 | 3.5 | 3.8
Deductions | (1.4) | (2.7) | (2.1)
Foreign Currency Translation and Other | (0.8) | 1.3 | (0.5)
Balance at End of Year | 18.1 | 15.5 | 13.4
Valuation allowance on deferred tax assets |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 189.2 | 167.7 | 208.9
Charged to Costs and Expenses | 32.8 | 3.4 | (37.4)
Deductions | 0.0 |  | 0.0
Foreign Currency Translation and Other | (3.6) | 18.1 | (3.8)
Balance at End of Year | $ 218.4 | $ 189.2 | $ 167.7

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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=26873400&loc=d3e24092-122690 + Details
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