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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] |
Valuation And Qualifying Accounts | SCHEDULE II WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION VALUATION AND QUALIFYING ACCOUNTS For each of the three years ended December 31
In thousands |  | Balance at beginning of period |  | Charged/ (credited) to expense |  | Charged/ (credited) to other accounts (1) |  | Deductions from reserves (2) |  | Balance at end of period
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 12,342 |  |  | $ | 9,458 |  |  | $ | (360 | ) |  | $ | 4,513 |  |  | $ | 16,927 |
Valuation allowance-taxes |  | 25,683 |  |  | 27,410 |  |  | — |  |  | 11,314 |  |  | 41,779 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 7,340 |  |  | $ | 2,632 |  |  | $ | 4,979 |  |  | $ | 2,609 |  |  | $ | 12,342 |
Valuation allowance-taxes |  | 21,418 |  |  | 4,265 |  |  | — |  |  | — |  |  | 25,683 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 5,614 |  |  | $ | 3,635 |  |  | $ | — |  |  | $ | 1,909 |  |  | $ | 7,340 |
Valuation allowance-taxes |  | 12,623 |  |  | 3,405 |  |  | 5,390 |  |  | — |  |  | 21,418 |
(1) | Reserves of acquired/(sold) companies; valuation allowances for state and foreign deferred tax assets; impact of fluctuations in foreign currency exchange rates.
(2) | Actual disbursements and/or charges.

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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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