Mortgage Loans (Details 1) (Financial Services [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Sep. 30, 2014
Mortgage Loans on Real Estate, Write-down or Reserve [Line Items]
Mortgage Loans on Real Estate	$ 45.3us-gaap_MortgageLoansOnRealEstate	$ 41.0us-gaap_MortgageLoansOnRealEstate
Real Estate Acquired Through Foreclosure	0.5	0.7
Other Real Estate, Foreclosed Assets, and Repossessed Assets	45.8	41.7
Schedule of mortgage loss reserves
Loans and Leases Receivable, Allowance	23.4	26.2
Mortgage Loans on Real Estate [Member]
Schedule of mortgage loss reserves
Loans and Leases Receivable, Allowance	1.6	1.7
Real Estate [Member]
Schedule of mortgage loss reserves
Loans and Leases Receivable, Allowance	0.1	0.1
Obligation to Repurchase Receivables Sold [Member]
Schedule of mortgage loss reserves
Loans and Leases Receivable, Allowance	$ 21.7	$ 24.4

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

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-Publisher FASB

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-Section 50

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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- Definition

Total carrying amount of mortgage loans as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.6)

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- Definition

Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

+ References

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 28

-Article 12

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-Number 210

-Section 04

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-Subparagraph Schedule III

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