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Income Taxes - Schedule of Valuation Allowance (Details) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Beginning balance | $ 8,439 | $ 10,056 | $ 903
Charged to cost and expenses | (260) | (1,934) | 10,048
Charged to other accounts | 588 | 317 | (895)
Ending balance | $ 8,767 | $ 8,439 | $ 10,056

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- Definition Valuation allowances and reserves charged or credited to cost and expense. + References No definition available. + Details
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- Definition Valuation allowances and reserves charged or credited to other accounts. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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- Details
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