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Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Goodwill [Roll Forward]
Goodwill, balance at beginning of period			$ 2,764.5
Goodwill impairment	$ (1,475.0)	$ 0.0	(1,475.0)	$ 0.0
Goodwill, balance at end of period	1,289.5		1,289.5
Motion Picture
Goodwill [Roll Forward]
Goodwill, balance at beginning of period			393.7
Goodwill impairment			0.0
Goodwill, balance at end of period	393.7		393.7
Television Production
Goodwill [Roll Forward]
Goodwill, balance at beginning of period			401.9
Goodwill impairment			0.0
Goodwill, balance at end of period	401.9		401.9
Media Networks
Goodwill [Roll Forward]
Goodwill, balance at beginning of period			1,968.9
Goodwill impairment			(1,475.0)
Goodwill, balance at end of period	$ 493.9		$ 493.9

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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