Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (535.6)	$ 3,619.6	$ 3,322.0
Other comprehensive income (loss):
Unrealized holding (losses) gains on marketable securities, net of tax of $0.6, $(2.7) and zero, respectively	(2.5)	9.7	0.4
Unrealized gains (losses) on foreign currency forward contracts, net of tax of $(38.2), $14.0 and $1.0, respectively	136.0	(50.9)	(4.1)
Foreign currency translation adjustment	8.6	26.1	(11.4)
Total other comprehensive income (loss)	142.1	(15.1)	(15.1)
Comprehensive (loss) income	$ (393.5)	$ 3,604.5	$ 3,306.9