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Valuation and Qualifying Accounts | 12 Months Ended
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Sep. 30, 2019
SEC Schedule, 12-09, 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 September 30, 2016 |  | $ | 39,512 |  |  | $ | 96,870 |
Charged to costs and expenses |  |  | 17,282 |  |  |  | 16,425 |
Charged to other accounts |  |  | 1,985 |  |  |  | 5,000 | (1)
Deductions |  |  | (30,053 | )(3) |  |  | (23,722 | )(2)
Balance as of September 30, 2017 |  |  | 28,726 |  |  |  | 94,573 |
Charged to costs and expenses |  |  | 6,134 |  |  |  | 18,173 |
Charged to other accounts |  |  | 1,226 |  |  |  | 6,121 | (1)
Deductions |  |  | (14,875 | )(4) |  |  | (6,140 | )
Balance as of September 30, 2018 |  |  | 21,211 |  |  |  | 112,727 |
Charged to costs and expenses |  |  | 22,260 |  |  |  | 1,009 |
Charged to other accounts |  |  | 2,406 |  |  |  | 6,008 | (1)
Deductions |  |  | (9,756 | )(6) |  |  | (34,211 | )(5)
Balance as of September 30, 2019 |  | $ | 36,121 |  |  | $ | 85,533 |
(1) | Includes valuation allowances on deferred tax assets incurred in connection with an acquisition.
(2) | $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.
(3) | $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.
(4) | $6,659 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.
(5) | $7,588 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.
(6) | $3,539 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.

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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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