Investments (Tables)

12 Months Ended

Sep. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

Our investments consist of (in millions):

	September 30,
	2024		2023
Fixed income securities	$	0.3	$	0.6
Equity securities (other)	105.9		96.0
Other	62.8		61.1
Total investments	169.0		157.7
Less: Short-term investments (1)	(0.3)		(0.6)
Long-term investments	$	168.7	$	157.1

(1) Short-term investments are included in Other current assets in the Consolidated Balance Sheet.

Gain (Loss) on Securities

We record gains and losses on investments within the Change in fair value of investments line in the Consolidated Statement of Operations. The gains and losses on investments we recorded for the following periods were (in millions):

	2024		2023		2022
Net gain (loss) on equity securities (level 1)	$	—	$	281.7	$	(136.4)
Net (loss) gain on equity securities (other)	(0.8)		(1.3)		15.1
Equity method gain (loss) on Other investments	0.9		(1.1)		(15.6)
Change in fair value of investments	0.1		279.3		(136.9)
Total net realized gain on equity securities	—		281.7		44.6
Total net unrealized loss on equity securities	$	(0.8)	$	(1.3)	$	(165.9)