DEBT - Convertible Notes (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Mar. 31, 2026	May 23, 2022
Debt Instrument [Line Items]
Short-term debt, gross	$ 630.7		$ 30.0
Convertible Debt
Debt Instrument [Line Items]
Fair value adjustments	(0.7)	$ (2.6)
0% Convertible Senior Notes due 2026 | Convertible Debt
Debt Instrument [Line Items]
Long-term debt, net	$ 29.4
2026 Convertible Notes
Debt Instrument [Line Items]
Interest rate	0.00%		0.00%
Short-term debt, gross	$ 30.7		$ 30.0
Zynga Inc | 0.25% Convertible Senior Notes due 2024 | Convertible Debt
Debt Instrument [Line Items]
Interest rate				0.25%
Zynga Inc | 0% Convertible Senior Notes due 2026 | Convertible Debt
Debt Instrument [Line Items]
Interest rate				0.00%