Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Sep. 30, 2012
Business Information [Line Items]
Payments to Acquire Loans Receivable	$ 1.0	$ 3.2
Deposits On Land Option Contracts	$ 34.1		$ 32.0

The cash outflow for the purchase of loan receivable arising from the financing of goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireLoansReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration