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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
(in millions) | Balance Beginning of Year |  | Charged to Expense |  | Deductions |  | Balance End of Year
Allowance for doubtful accounts: |  |  |  |  |  |  |
2018 | $ | 3.6 |  |  | $ | 3.0 |  |  | $ | (2.6 | ) |  | $ | 4.0 |
2017 | 3.5 |  |  | 1.8 |  |  | (1.7 | ) |  | 3.6 |
2016 | 3.8 |  |  | 1.5 |  |  | (1.8 | ) |  | 3.5 |
(in millions) | Balance Beginning of Year |  | Additions |  | Deductions |  | Balance End of Year
Deferred income tax asset valuation allowance: |  |  |  |  |  |  |
2018 | $ | 0.2 |  |  | $ | — |  |  | $ | — |  |  | $ | 0.2 |
2017 | 0.4 |  |  | — |  |  | (0.2 | ) |  | 0.2 |
2016 | 0.9 |  |  | — |  |  | (0.5 | ) |  | 0.4 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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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- References No definition available. + Details
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