Net Income (Loss) Per Share (Basic) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income (loss) attributable to Lions Gate Entertainment Corp. shareholders	$ (1,811.1)	$ 7.5	$ (1,930.1)	$ (37.9)
Denominator:
Weighted average common shares outstanding, basic (in shares)	227.9	224.4	226.8	223.1
Basic net income (loss) per common share (in usd per share)	$ (7.95)	$ 0.03	$ (8.51)	$ (0.17)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

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

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