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Schedule II | 9 Months Ended
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Sep. 30, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | SCHEDULE II - Valuation and Qualifying Accounts
|  | Additions |  |
Description | Balance at Beginning of Period | Charged to Costs and Expenses | Deductions (A) | Balance at End of Period
(In millions) |  |  |  |
Balance at December 31, 2017 |  |  |  |
Reserve for Uncollectible Accounts | $ | 1.5 |  | $ | 2.6 |  | $ | 2.6 |  | $ | 1.5 |
Balance at December 31, 2018 |  |  |  |
Reserve for Uncollectible Accounts | $ | 1.5 |  | $ | 3.4 |  | $ | 3.2 |  | $ | 1.7 |
Balance at December 31, 2019 |  |  |  |
Reserve for Uncollectible Accounts | $ | 1.7 |  | $ | 2.2 |  | $ | 2.4 |  | $ | 1.5 |
(A)Uncollectible accounts receivable written off, net of recoveries.

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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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