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Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Pay vs Performance Disclosure
Net income attributable to Franklin Resources, Inc.	$ 92.3	$ 174.0	$ 407.3	$ 549.5

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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