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Insurance - Insurance Related Balances and Activity (Details) - USD ($) $ in Millions | Jul. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Liability for Claims and Claims Adjustment Expense [Line Items] |  |
Insurance recoverables | $ 73.8 | $ 73.1
Claim Types Excluding Medical and Dental |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |
Insurance claim reserves | 500.4 | 485.6
Medical and Dental Claims |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |
Insurance claim reserves | $ 8.9 | $ 9.8

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- Definition Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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- Details
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