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SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Allowance for doubtful accounts |  |  |
Valuation and Qualifying Account |  |  |
Balance at beginning of year | $ 35.1 | $ 26.9 | $ 27.3
Charged (credited) to costs and expenses | 28.6 | 35.6 | 30.7
Other | (32.1) | (27.4) | (31.1)
Balance at end of year | 31.6 | 35.1 | 26.9
Deferred tax assets valuation allowance |  |  |
Valuation and Qualifying Account |  |  |
Balance at beginning of year | 116.8 | 107.1 | 114.3
Charged (credited) to costs and expenses | (26.1) | 9.7 | (7.6)
Other | 0.0 | 0.0 | 0.4
Balance at end of year | $ 90.7 | $ 116.8 | $ 107.1

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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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