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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
| Balance at Beginning |  | Charged to |  | Charged to Other |  |  |  | Balance at
| of Period |  | Expense |  | Accounts(1) |  | Deductions(2) |  | End of Period
Allowance for doubtful accounts | (In thousands)
Year ended December 31, 2019 | $ | 24,468 |  |  | 7,006 |  |  | 52 |  |  | (6,083 | ) |  | $ | 25,443 |
Year ended December 31, 2018 | 21,313 |  |  | 10,854 |  |  | — |  |  | (7,699 | ) |  | 24,468 |
Year ended December 31, 2017 | 22,007 |  |  | 8,466 |  |  | — |  |  | (9,160 | ) |  | 21,313 |
_________________________
(1) | Represents allowance for doubtful accounts in connection with certain acquisitions and divestitures.
(2) Includes a reduction in the allowance for doubtful accounts due to write-off of accounts receivable.

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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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