BANK LOANS, NET, Impact of TDRs (Details) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2016 USD ($) commitment contract TDR	Mar. 31, 2015 USD ($) contract TDR	Mar. 31, 2016 USD ($) commitment contract TDR	Mar. 31, 2015 USD ($) contract TDR	Sep. 30, 2015 USD ($) commitment
Subsquent default of modified loans [Abstract]
Payment default, number of contracts \| TDR	0	0	0	0
Number of outstanding commitments \| commitment	0		0		1
Outstanding commitments on TDRs					$ 600
Residential – first mortgage loans
Modification of loans [Abstract]
Number of contracts \| contract	1	1	1	3
Pre-modification outstanding recorded investment	$ 236	$ 133	$ 236	$ 290
Post-modification outstanding recorded investment	$ 236	$ 134	$ 236	$ 293

Loans and Leases Receivable, Number of Outstanding Commitments

No definition available.

Name:	rjf_LoansandLeasesReceivableNumberofOutstandingCommitments
Namespace Prefix:	rjf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Disclosure of loans which the bank has granted concessions to borrowers having financial difficulty, for which the resulting modification meets the criteria of a Troubled Debt Restructuring. Concessions granted to the borrower generally consist of interest rate reductions, interest capitalization, principal forbearance, amortization and maturity date extensions, and other.

+ References

No definition available.

+ Details

Name:	rjf_ModificationofloansAbstract
Namespace Prefix:	rjf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Loans in which a modification of terms has been entered into between the bank and borrower; and the borrower has subsequently defaulted on the modified terms of the note.

+ References

No definition available.

+ Details

Name:	rjf_SubsquentdefaultofmodifiedloansAbstract
Namespace Prefix:	rjf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554

+ Details

Name:	us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=rjf_ResidentialMortgageFirstMortgagePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: