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Accrued Expenses Product Liability Contingency (Detail Textuals) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2016 USD ($) | Jul. 31, 2016 USD ($) | Apr. 30, 2016 USD ($) | Oct. 31, 2015 USD ($) | Oct. 31, 2016 USD ($) communities | Oct. 31, 2015 USD ($) communities | Oct. 31, 2014 USD ($)
Water intrusion related [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss | $ 324.4 |  |  |  | $ 324.4 |  |
Product Liability Contingency, percent of known claims | 33.00% |  |  |  | 33.00% |  |
Product Liability Accrual, Period Expense | $ 121.2 |  |  |  | $ 125.6 |  |
Stucco Related [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  | $ 80.3 |  | $ 80.3 | $ 54.0
Product Liability Contingency, Third Party Recovery |  |  |  |  |  | $ 32.6 | 21.5
Product Liability Accrual, Period Expense |  | $ 1.9 | $ 2.5 | $ 14.7 |  |  | $ 25.0
Non-stucco related [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss | 115.5 |  |  |  | 115.5 |  |
Product Liability Contingency, Third Party Recovery |  |  |  |  | $ 152.6 |  |
Construction Claims, Three Community Associations, California [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Loss Contingency, New Claims Filed, Number | communities |  |  |  |  |  | 3 |
Loss Contingency, Claims Settled, Number | communities |  |  |  |  | 1 | 1 |
Loss Contingency, Loss in Period |  |  |  |  |  | $ 6.9 |
Other warranty claims [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Product Liability Accrual, Period Expense |  |  |  |  | $ 9.3 |  |
Other Assets [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Loss Contingency, Receivable | 159.0 |  |  |  | 159.0 |  |
Other Assets [Member] | Stucco Related [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Loss Contingency, Receivable | 141.7 |  |  |  | 141.7 |  |
Other Assets [Member] | Other warranty claims [Member] |  |  |  |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |  |  |  |
Loss Contingency, Receivable | $ 17.3 |  |  |  | $ 17.3 |  |

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