REGULATIONS AND CAPITAL REQUIREMENTS (Details) CAD in Thousands, $ in Thousands		6 Months Ended
	Jan. 01, 2016	Mar. 31, 2016 USD ($)	Mar. 31, 2016 CAD	Sep. 30, 2015 USD ($)	Sep. 30, 2015 CAD
Capital Required for Capital Adequacy Ratio, Capital Conservation Buffer [Abstract]
Annual increases (in hundredths)	0.625%
Maximum (in hundredths)	2.50%
Buffer required (in hundredths)		0.625%
Raymond James Financial Inc
Capital Required for Capital Adequacy Ratio, Capital Conservation Buffer [Abstract]
Actual (in hundredths)		13.90%
Common equity Tier 1 capital
Actual, amount		$ 4,230,105		$ 4,101,353
Actual, ratio (in hundredths)		20.90%	20.90%	22.10%	22.10%
Requirement for capital adequacy purposes, amount		$ 909,661		$ 834,677
Requirement for capital adequacy purposes, ratio (in hundredths)		4.50%	4.50%	4.50%	4.50%
To be well capitalized under regulatory provisions, amount		$ 1,313,954		$ 1,205,644
To be well capitalized under regulatory provisions, ratio (in hundredths)		6.50%	6.50%	6.50%	6.50%
Tier 1 capital
Actual, amount		$ 4,230,105		$ 4,101,353
Actual, ratio (in hundredths)		20.90%	20.90%	22.10%	22.10%
Requirement for capital adequacy purposes, amount		$ 1,212,881		$ 1,112,902
Requirement for capital adequacy purposes, ratio (in hundredths)		6.00%	6.00%	6.00%	6.00%
To be well capitalized under regulatory provisions, amount		$ 1,617,174		$ 1,483,869
To be well capitalized under regulatory provisions, ratio (in hundredths)		8.00%	8.00%	8.00%	8.00%
Total capital
Actual, amount		$ 4,437,111		$ 4,290,431
Actual, ratio (in hundredths)		21.90%	21.90%	23.10%	23.10%
Requirement for capital adequacy purposes, amount		$ 1,617,174		$ 1,483,869
Requirement for capital adequacy purposes, ratio (in hundredths)		8.00%	8.00%	8.00%	8.00%
To be well capitalized under regulatory provisions, amount		$ 2,021,468		$ 1,854,837
To be well capitalized under regulatory provisions, ratio (in hundredths)		10.00%	10.00%	10.00%	10.00%
Tier 1 leverage
Actual, amount		$ 4,230,105		$ 4,101,353
Actual, ratio (in hundredths)		15.30%	15.30%	16.10%	16.10%
Requirement for capital adequacy purposes, amount		$ 1,107,051		$ 1,018,859
Requirement for capital adequacy purposes, ratio (in hundredths)		4.00%	4.00%	4.00%	4.00%
To be well capitalized under regulatory provisions, amount		$ 1,383,814		$ 1,273,574
To be well capitalized under regulatory provisions, ratio (in hundredths)		5.00%	5.00%	5.00%	5.00%
RJ Bank
Capital Required for Capital Adequacy Ratio, Capital Conservation Buffer [Abstract]
Actual (in hundredths)		6.00%
Common equity Tier 1 capital
Actual, amount		$ 1,601,813		$ 1,525,942
Actual, ratio (in hundredths)		12.70%	12.70%	13.00%	13.00%
Requirement for capital adequacy purposes, amount		$ 567,873		$ 526,577
Requirement for capital adequacy purposes, ratio (in hundredths)		4.50%	4.50%	4.50%	4.50%
To be well capitalized under regulatory provisions, amount		$ 820,260		$ 760,611
To be well capitalized under regulatory provisions, ratio (in hundredths)		6.50%	6.50%	6.50%	6.50%
Tier 1 capital
Actual, amount		$ 1,601,813		$ 1,525,942
Actual, ratio (in hundredths)		12.70%	12.70%	13.00%	13.00%
Requirement for capital adequacy purposes, amount		$ 757,163		$ 702,103
Requirement for capital adequacy purposes, ratio (in hundredths)		6.00%	6.00%	6.00%	6.00%
To be well capitalized under regulatory provisions, amount		$ 1,009,551		$ 936,137
To be well capitalized under regulatory provisions, ratio (in hundredths)		8.00%	8.00%	8.00%	8.00%
Total capital
Actual, amount		$ 1,760,104		$ 1,672,577
Actual, ratio (in hundredths)		14.00%	14.00%	14.30%	14.30%
Requirement for capital adequacy purposes, amount		$ 1,009,551		$ 936,137
Requirement for capital adequacy purposes, ratio (in hundredths)		8.00%	8.00%	8.00%	8.00%
To be well capitalized under regulatory provisions, amount		$ 1,261,939		$ 1,170,171
To be well capitalized under regulatory provisions, ratio (in hundredths)		10.00%	10.00%	10.00%	10.00%
Tier 1 leverage
Actual, amount		$ 1,601,813		$ 1,525,942
Actual, ratio (in hundredths)		10.10%	10.10%	10.90%	10.90%
Requirement for capital adequacy purposes, amount		$ 636,870		$ 558,829
Requirement for capital adequacy purposes, ratio (in hundredths)		4.00%	4.00%	4.00%	4.00%
To be well capitalized under regulatory provisions, amount		$ 796,088		$ 698,536
To be well capitalized under regulatory provisions, ratio (in hundredths)		5.00%	5.00%	5.00%	5.00%
Raymond James & Associates Inc
Alternative Method Elected [Abstract]
Net capital as a percent of aggregate debit items (in hundredths)		21.52%	21.52%	20.85%	20.85%
Net capital		$ 383,995		$ 411,222
Less: required net capital		(35,684)		(39,452)
Excess net capital		348,311		371,770
Raymond James Financial Services Inc
Alternative Method Elected [Abstract]
Net capital		24,783		25,828
Less: required net capital		(250)		(250)
Excess net capital		$ 24,533		$ 25,578
Raymond James Ltd
Risk adjusted capital of Canadian broker-dealer subsidiary [Abstract]
Risk adjusted capital before minimum | CAD			CAD 121,839		CAD 127,097
Less: required minimum capital | CAD			(250)		(250)
Risk adjusted capital | CAD			CAD 121,589		CAD 126,847