Earnings per Share (Tables)

6 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Components of basic and diluted earnings per share

The components of basic and diluted earnings per share were as follows: 

(in millions, except per share data)	Three Months Ended March 31,				Six Months Ended March 31,
	2024		2023		2024		2023
Net income attributable to Franklin Resources, Inc.	$	124.2	$	194.2	$	375.5	$	359.8
Less: allocation of earnings to participating nonvested stock and stock unit awards	7.2		9.0		16.3		16.7
Net Income Available to Common Stockholders	$	117.0	$	185.2	$	359.2	$	343.1
Weighted-average shares outstanding – basic	518.4		490.7		502.6		490.1
Dilutive effect of nonparticipating nonvested stock unit awards	0.8		0.7		0.8		0.7
Weighted-Average Shares Outstanding – Diluted	519.2		491.4		503.4		490.8
Earnings per Share
Basic	$	0.23	$	0.38	$	0.71	$	0.70
Diluted	0.23		0.38		0.71		0.70