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Valuation and Qualifying Accounts | 12 Months Ended
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Sep. 30, 2017
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | VALUATION AND QUALIFYING ACCOUNTS (In thousands)
|  | Accounts Receivable Allowances |  |  | Valuation Allowances on Net Deferred Tax Assets |
Balance as of October 1, 2014 |  | $ | 36,398 |  |  | $ | 128,207 |
Charged to costs and expenses |  |  | 13,328 |  |  |  | 24,040 | (1)
Charged to other accounts |  |  | 552 |  |  |  | — |
Deductions |  |  | (16,441 | ) |  |  | (40,082 | )(2)
Balance as of September 30, 2015 |  |  | 33,837 |  |  |  | 112,165 |
Charged to costs and expenses |  |  | 24,004 |  |  |  | 13,800 | (3)
Charged to other accounts |  |  | 1,415 |  |  |  | 826 |
Deductions |  |  | (19,744 | )(5) |  |  | (29,921 | )(4)
Balance as of September 30, 2016 |  |  | 39,512 |  |  |  | 96,870 |
Charged to costs and expenses |  |  | 17,282 |  |  |  | 16,425 | (6)
Charged to other accounts |  |  | 1,985 |  |  |  | 5,000 | (7)
Deductions |  |  | (30,053 | )(9) |  |  | (23,722 | )(8)
Balance as of September 30, 2017 |  | $ | 28,726 |  |  | $ | 94,573 |
(1) | Valuation allowances recorded on deferred tax assets during fiscal year 2015.
(2) | $2,235 of valuation allowances on deferred tax assets were written off against the related deferred tax assets, and the remaining deductions in the valuation allowances on net deferred tax assets were released to earnings.
(3) | Valuation allowances recorded on deferred tax assets during fiscal year 2016.
(4) | $9,231 of valuation allowances on deferred tax assets were written off against the related deferred tax assets, and the remaining deductions in the valuation allowances on net deferred tax assets were released to earnings.
(5) | $12,727 of accounts receivable allowances were written off against the related accounts receivables, and the remaining deductions in the accounts receivable allowances were released to earnings.
(6) | Valuation allowances recorded on deferred tax assets during fiscal year 2017.
(7) | Includes valuation allowances on deferred tax assets incurred in connection with an acquisition in fiscal year 2016.
(8) | $2,416 of valuation allowances on deferred tax assets were written off against the related deferred tax assets, and the remaining deductions in the valuation allowances on net deferred tax assets were released to earnings.
(9) | $3,008 of accounts receivable allowances were written off against the related accounts receivables, $5,291 of accounts receivable allowances were netted against deferred revenue, and the remaining deductions in the accounts receivable allowances were released to earnings.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + 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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- References No definition available. + Details
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