Leases - Balance Sheet Information, Leases (Details) - USD ($) $ in Millions	Mar. 31, 2025	Mar. 31, 2024
Operating Leases
Operating lease right-of-use assets	$ 294.1	$ 344.3
Lease liabilities (current)	44.0	44.4
Lease liabilities (non-current)	290.7	329.7
Total	$ 334.7	$ 374.1
Operating leases	9 years	9 years 4 months 24 days
Operating leases	5.54%	5.37%
Lions Gate Entertainment Corp.
Operating Leases
Operating lease right-of-use assets	$ 331.4	$ 388.8
Lease liabilities (current)	53.8	53.4
Lease liabilities (non-current)	336.4	385.1
Total	$ 390.2	$ 438.5
Operating leases	8 years 6 months	9 years
Operating leases	5.36%	5.24%