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Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Allowance For Doubtful Accounts |  |  |  |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired | [1] | $ 12.0 |  |  |  |
Allowance for Doubtful Accounts Receivable, Noncurrent |  | 22.1 |  | $ 13.2 |  | $ 7.6
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |  |  |
Balance Beginning of Period |  | 15.5 | [2] | 10.3 | [2] | 10.4
Charges or (Reductions) to Costs and Expenses |  | 0.0 |  | 5.6 |  | (1.4)
Charges or (Reductions) to Other Accounts |  | 12.0 |  | (0.2) |  | 1.7
Deductions |  | (4.1) |  | (0.2) |  | (0.4)
Balance at End of Period | [2] | 23.4 |  | 15.5 |  | 10.3
Valuation Allowance Of Deferred Tax Assets |  |  |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |  |  |
Balance Beginning of Period |  | 584.1 | [1] | 30.6 | [1] | 11.9
Charges or (Reductions) to Costs and Expenses |  | 946.2 |  | 553.5 |  | 18.7
Charges or (Reductions) to Other Accounts | [1],[3] | 0.0 |  | 0.0 |  | 0.0
Deductions |  | 0.0 |  | 0.0 |  | 0.0
Balance at End of Period | [1] | $ 1,530.3 |  | $ 584.1 |  | $ 30.6
[1] | mount relates to allowance of $12.0 million acquired in the Acquisition.
[2] | Allowance for doubtful accounts balance includes $22.1 million, $13.2 million, $7.6 million of allowance on long-term receivables recorded in other long term assets for the years ended December 31, 2018, 2017 and 2016, respectively.
[3] | The income tax valuation allowance adjustment was recorded to accumulated other comprehensive income and deferred taxes.

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