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VALUATION AND QUALIFYING ACCOUNTS (Tables)
12 Months Ended
Dec. 31, 2017
Summary of Activity for Valuation Allowances
Year Ended December 31,Balance at Beginning of the YearCharged to costs and expensesDeductions (1)Balance at End of the Year
2017
Accounts receivable allowance$(25.7)$(19.6)$8.7$(36.6)
Deferred tax assets - valuation allowance$(3.2)$(9.9)$0.3$(12.8)
2016
Accounts receivable allowance$(27.5)$(6.2)$8.0$(25.7)
Deferred tax assets - valuation allowance$(4.3)(0.9)2.0(3.2)
2015
Accounts receivable allowance$(29.4)$(9.0)$10.9$(27.5)
Deferred tax assets - valuation allowance$(6.9)2.40.2(4.3)
(1) Reflects write-off of uncollectible accounts receivable or expiration of foreign net operating tax losses