Schedule II-Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions |
12 Months Ended | |||||
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Oct. 31, 2015 |
Oct. 31, 2014 |
Oct. 31, 2013 |
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Accounts receivable allowances | ||||||
Movement in Valuation Allowances and Reserves [Roll Forward] | ||||||
Balance Beginning of Year | $ 9.2 | $ 8.3 | $ 9.1 | |||
Charges to Costs and Expenses | 17.2 | 17.8 | 20.3 | |||
Write-offs/Allowance Taken | [1] | (17.8) | (16.9) | (21.1) | ||
Balance End of Year | 8.6 | 9.2 | 8.3 | |||
Valuation allowance of deferred tax assets | ||||||
Movement in Valuation Allowances and Reserves [Roll Forward] | ||||||
Balance Beginning of Year | 6.2 | 6.2 | 6.0 | |||
Charges to Costs and Expenses | 0.1 | 0.3 | 0.8 | |||
Write-offs/Allowance Taken | [1] | (0.8) | (0.3) | (0.6) | ||
Balance End of Year | $ 5.5 | $ 6.2 | $ 6.2 | |||
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