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Valuation And Qualifying Accounts | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Valuation And Qualifying Accounts |
| Balance at Beginning of Year |  | Additions |  | Deductions (1) |  | Balance at End of Year
Allowance for doubtful accounts, loan credit losses, and sales returns |  |  |  |  |  |  |
Year ended December 31, 2017 | $ | 10.8 |  |  | $ | 36.1 |  |  | $ | (32.3 | ) |  | $ | 14.6 |
Year ended December 31, 2016 | $ | 9.4 |  |  | $ | 24.6 |  |  | $ | (23.2 | ) |  | $ | 10.8 |
Year ended December 31, 2015 | $ | 5.5 |  |  | $ | 22.3 |  |  | $ | (18.4 | ) |  | $ | 9.4 |
(1) | Primarily represents products returned.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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