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Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Reserves Deducted From Assets in the Consolidated Balance Sheet |  |  |  |
Valuation and Qualifying Account |  |  |  |
Balance at beginning of year |  | $ 39.1 | $ 39.5 | $ 36.1
Charged (credited) to costs and expenses |  | 31.6 | 43.5 | 30.2
Balance at end of year |  | 29.7 | 39.1 | 39.5
Reserves Deducted From Assets in the Consolidated Balance Sheet | Allowance for Doubtful Accounts |  |  |  |
Valuation and Qualifying Account |  |  |  |
Other | [1] | (39.6) | (43.0) | (27.4)
Reserves Deducted From Assets in the Consolidated Balance Sheet | Allowance for Foreign Currency Exchange Effects |  |  |  |
Valuation and Qualifying Account |  |  |  |
Other | [2] | (1.4) | (0.9) | 0.6
Other Reserves |  |  |  |
Valuation and Qualifying Account |  |  |  |
Balance at beginning of year |  | 59.2 | 97.6 | 77.0
Charged (credited) to costs and expenses |  | 5.1 | 0.4 | (5.7)
Balance at end of year |  | 131.3 | 59.2 | 97.6
Other Reserves | Deferred Tax Assets Valuation Allowance |  |  |  |
Valuation and Qualifying Account |  |  |  |
Other | [3] | 66.1 | (34.0) | $ 26.3
Other Reserves | Decrease in Unusable Foreign Operating Loss Carryforwards |  |  |  |
Valuation and Qualifying Account |  |  |  |
Other | [4] | (2.6) | $ (4.8) |
Other Reserves | Acquisitions |  |  |  |
Valuation and Qualifying Account |  |  |  |
Other | [4] | $ 3.5 |  |
[1] | Uncollectible accounts written off, net of recoveries.
[2] | Effects of currency exchange.
[3] | Foreign tax credit valuation allowance adjustment.
[4] | Decrease in unusable foreign operating loss carryforwards.

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- Definition Total of the adjustments in a given period to 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + 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 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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