ACQUISITIONS - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Jun. 11, 2024	Jun. 30, 2025	Mar. 31, 2025
Business Combination [Line Items]
Goodwill		$ 1,065.6	$ 1,057.3
Gearbox
Business Combination [Line Items]
Cash acquired	$ 9.5
Other tangible assets	159.7
Other liabilities assumed	(151.2)
Goodwill	189.4
Total	411.4
Gearbox | Games in development
Business Combination [Line Items]
Games in development	36.0
Gearbox | Intellectual property
Business Combination [Line Items]
Intangible assets, excluding goodwill	$ 79.0
Weighted average useful life	14 years
Gearbox | Developed game technology
Business Combination [Line Items]
Intangible assets, excluding goodwill	$ 72.0
Weighted average useful life	2 years
Gearbox | Game Engine Technology
Business Combination [Line Items]
Intangible assets, excluding goodwill	$ 9.0
Weighted average useful life	2 years
Gearbox | Branding and trade names
Business Combination [Line Items]
Intangible assets, excluding goodwill	$ 8.0
Weighted average useful life	7 years