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Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Policies)
6 Months Ended
Mar. 31, 2014
Accounting Policies [Abstract]  
Inventory Valuation
Inventory Valuation. We assess our inventory assets no less than quarterly for recoverability in accordance with the policies as described in Notes 1 and 4 to the consolidated financial statements in our 2013 Annual Report. Our homebuilding inventories that are accounted for as held for development include land and home construction assets grouped together as communities. Homebuilding inventories held for development are stated at cost (including direct construction costs, capitalized indirect costs, capitalized interest and real estate taxes) unless facts and circumstances indicate that the carrying value of the assets may not be recoverable. For those communities for which construction and development activities are expected to occur in the future or have been idled (land held for future development), all applicable interest and real estate taxes are expensed as incurred and the inventory is stated at cost unless facts and circumstances indicate that the carrying value of the assets may not be recoverable. We record assets held for sale at the lower of the carrying value or fair value less costs to sell.