Investments (Tables)

12 Months Ended

Sep. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

Our investments consist of (in millions):

	September 30,
	2022		2021
Fixed income securities	$	12.6	$	0.6
Equity securities (level 1)	928.8		1,267.6
Equity securities (other)	76.4		27.1
Other	50.8		68.8
Total investments	1,068.6		1,364.1
Less: Short-term investments (1)	(12.6)		(0.6)
Long-term investments	$	1,056.0	$	1,363.5

(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):

	2022		2021		2020
Net (loss) gain on equity securities (level 1)	$	(136.4)	$	392.3	$	153.9
Net gain on equity securities (other)	15.1		5.1		—
Equity method loss on Other investments	(15.6)		—		—
Change in fair value of investments	(136.9)		397.4		153.9
Total net unrealized (loss) gain on equity securities	$	(165.9)	$	397.4	$	153.9