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Schedule II - Valuation and Qualifying Accounts and Reserves | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts and Reserves | SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES For the Years Ended December 31, 2017, 2016 and 2015 (In millions)
| Balance at beginning of year |  | Additions charged to cost and expenses |  | Write-offs |  | Recoveries |  | Other |  | Balance at end of year
2015: |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 7.9 |  |  | $ | 2.8 |  |  | $ | (4.9 | ) |  | $ | 1.1 |  |  | $ | (0.6 | ) |  | $ | 6.3 |
2016 |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 6.3 |  |  | $ | 2.4 |  |  | $ | (2.7 | ) |  | $ | 0.9 |  |  | $ | (0.2 | ) |  | $ | 6.7 |
2017 |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | $ | 6.7 |  |  | $ | 3.9 |  |  | $ | (5.6 | ) |  | $ | 0.9 |  |  | $ | — |  |  | $ | 5.9 |

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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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