Summary of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified

12 Months Ended

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2011

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Reclassification, Policy [Policy Text Block]

Reclassifications

The statements of cash flows for fiscal 2012 and 2011, including the cash flows for the Non-Guarantor Subsidiaries as reflected in Note P, have been corrected to reflect a use of cash of $4.7 million and $4.0 million, respectively, previously reflected in operating activities to cash used in investing activities related to the net principal increase of other mortgage loans and real estate owned. The Company has determined that the effect on prior period financial statements is not material.

Business Information [Line Items]

Payments to Acquire Loans Receivable

$ 2.5

$ 4.7

$ 4.0

Homebuilding [Member]

Business Information [Line Items]

Earnest Money Deposits

42.4

Homebuilding [Member] | Variable Interest Entity, Not Primary Beneficiary [Member]

Business Information [Line Items]

Earnest Money Deposits

$ 36.9

$ 32.0