BANK LOANS, NET, Held for Sale and Held for Investment (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015 segment	Sep. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loan portfolio segments	6rjf_NumberOfLoanPortfolioSegments
Loans Receivable Held-for-sale, Net [Abstract]
Loans receivable held-for-sale, net	$ 87,974us-gaap_LoansReceivableHeldForSaleNet	$ 45,988us-gaap_LoansReceivableHeldForSaleNet
Loans held for investment:
Total loans held for investment	12,166,788	11,103,418
Net unearned income and deferred expenses	(34,091)	(37,533)
Total loans held for investment, net	12,132,697	11,065,885
Total loans held for sale and investment	12,220,671rjf_TotalLoansHeldForSaleAndInvestment	11,111,873rjf_TotalLoansHeldForSaleAndInvestment
Allowance for loan losses	(160,008)	(147,574)
Bank loans, net	12,060,663us-gaap_LoansReceivableNet	10,964,299us-gaap_LoansReceivableNet
Associated percentage of each major loan category in loan portfolios [Abstract]
Loans held for sale, net (in hundredths)	1.00%rjf_PercentageOfLoansHeldForSaleNet	0.00%rjf_PercentageOfLoansHeldForSaleNet
Total loans held for sale and investment (in hundredths)	100.00%	100.00%
Domestic
Loans held for investment:
C&I loans	5,776,977	5,378,592
CRE construction loans	78,820	76,733
CRE loans	1,468,813	1,415,093
Tax-exempt loans	361,644	122,218
Residential mortgage loans	1,963,336	1,749,513
SBL	1,249,930	1,021,358
Associated percentage of each major loan category in loan portfolios [Abstract]
C&I loans (in hundredths)	47.00%	49.00%
CRE construction loans (in hundredths)	1.00%	1.00%
CRE loans (in hundredths)	12.00%	13.00%
Tax-exempt loans (in hundredths)	3.00%	1.00%
Residential mortgage loans (in hundredths)	16.00%	16.00%
SBL (in hundredths)	10.00%	9.00%
Foreign
Loans held for investment:
C&I loans	1,036,223	1,043,755
CRE construction loans	22,094	17,462
CRE loans	204,132	274,070
Residential mortgage loans	2,865	2,234
SBL	$ 1,954	$ 2,390
Associated percentage of each major loan category in loan portfolios [Abstract]
C&I loans (in hundredths)	8.00%	9.00%
CRE construction loans (in hundredths)	0.00%	0.00%
CRE loans (in hundredths)	2.00%	2.00%
Residential mortgage loans (in hundredths)	0.00%	0.00%
SBL (in hundredths)	0.00%	0.00%

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

Reflects the aggregate gross carrying amount of all residential mortgage loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on residential mortgage loans and leases. Includes home equity loans and home equity lines of credit.

+ References

No definition available.

+ Details

Name:	rjf_LoansAndLeasesReceivableGrossCarryingAmountResidential
Namespace Prefix:	rjf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of segments in which the loan portfolio is segregated.

+ References

No definition available.

+ Details

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

- Definition

Ratio of commercial loans to total loans held for sale and investment as of the reporting date.

+ References

No definition available.

+ Details

Name:	rjf_PercentageOfCommercialLoans
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio of consumer loans to total loans held for sale and investment as of the reporting date.

+ References

No definition available.

+ Details

Name:	rjf_PercentageOfConsumerLoans
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio of CRE construction loans to total loans held for sale and investment as of the reporting date.

+ References

No definition available.

+ Details

Name:	rjf_PercentageOfCreConstructionLoans
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio of CRE loans to total loans held for sale and investment as of the reporting date.

+ References

No definition available.

+ Details

Name:	rjf_PercentageOfCreLoans
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio of loans held for sale, net to total loans held for sale and investment as of the reporting date.

+ References

No definition available.

+ Details

Name:	rjf_PercentageOfLoansHeldForSaleNet
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio of residential mortgage loans to total loans held for sale and investment as of the reporting date.

+ References

No definition available.

+ Details

Name:	rjf_PercentageOfResidentialMortgageLoans
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of Tax-Exempt Loans

+ References

No definition available.

+ Details

Name:	rjf_PercentageofTaxExemptLoans
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Total percentage of loans held for sale and investment as of the reporting date.

+ References

No definition available.

+ Details

Name:	rjf_PercentageOfTotalLoansHeldForSaleAndInvestment
Namespace Prefix:	rjf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for loan losses. Also includes the aggregate amount of loans receivable that will be sold to other entities, net of deferred income, but before deducting the allowance for loan losses.

+ References

No definition available.

+ Details

Name:	rjf_TotalLoansHeldForSaleAndInvestment
Namespace Prefix:	rjf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

+ Details

Name:	us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts 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 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6378556&loc=d3e10152-111534

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (a)(4)

-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

Reference 4: 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)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 9

+ Details

Name:	us-gaap_LoansAndLeasesReceivableDeferredIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

+ Details

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

- Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmountAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects the aggregate gross carrying amount of all commercial loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on commercial loans and leases.

+ References

+ Details

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

- Definition

Reflects the aggregate gross carrying amount of all consumer loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on consumer loans and leases.

+ References

+ Details

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

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

+ Details

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

- Definition

Amount before allowance of other loans and leases not otherwise specified in the taxonomy. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

+ Details

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

- Definition

Amount before allowance of commercial construction loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5066-111524

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

Reference 3: 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(a)(2))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- Definition

Amount before allowance of mortgage loans on existing land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5066-111524

Reference 2: 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(a)(3))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

+ Details

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

- Definition

Amount classified as loans attributable to disposal group held for sale or disposed of. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

Reference 3: 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(a))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 35

-Paragraph 49

-URI http://asc.fasb.org/extlink&oid=35742846&loc=d3e3084-111518

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section 30

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6490209&loc=d3e48214-111002

+ Details

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

- Details

Name:	us-gaap_LoansReceivableHeldForSaleNetAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

Reference 2: 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(a))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- Details

Name:	us-gaap_StatementGeographicalAxis=rjf_DomesticLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=rjf_ForeignLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: