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SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS AND RESERVES | 12 Months Ended
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Aug. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
|  |  |  |  | Additions |  | Deductions |  |
Description (in thousands) |  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  | Balance at End of Period
Year Ended August 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 4,146 |  | (3) |  | 2,645 |  |  | (165 | ) | (1) |  | (136 | ) |  | (2,001 | ) |  | (2) |  | $ | 4,489 |
Deferred tax valuation allowance |  | 273,991 |  |  |  | 31,471 |  |  |  |  |  | (36,908 | ) |  |  |  |  |  | 268,554 |
Year Ended August 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 6,427 |  |  |  | 7,108 |  |  | 1,074 |  | (1) |  | (1,059 | ) |  | (4,885 | ) |  | (2) |  | $ | 8,665 |
Deferred tax valuation allowance |  | 153,011 |  |  |  | 127,660 |  |  |  |  |  |  | (6,680 | ) |  |  |  |  |  |  | 273,991 |
Year Ended August 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 9,033 |  |  |  | 6,878 |  |  | 1,007 |  | (1) |  | — |  |  | (10,491 | ) |  | (2) |  | $ | 6,427 |
Deferred tax valuation allowance |  | 79,965 |  |  |  | 74,114 |  |  |  |  |  |  | (1,068 | ) |  |  |  |  |  |  | 153,011 |
(1) | Recoveries and translation adjustments.
(2) | Uncollectable accounts charged to the allowance. For the years ended August 31, 2018, 2017 and 2016, $166, $(1,841) and $(1,401) were reclassified to the fair value of the deferred purchase price under our sale of accounts receivables program, respectively.
(3) | The balance at end of the period for the year ended August 31, 2017 differs from the balance at the beginning of the period for the year ended August 31, 2018 due to the reclassification of certain trade receivables, including any related allowance for doubtful accounts, related to discontinued operations, which have been reclassified as assets held for sale on the consolidated balance sheets.

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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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