Financial Income, Net (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortization of marketable securities premium and accretion of discount, net	$ 18.5	$ 21.0	$ 9.4
Realized gain on sale of marketable securities, net	0.0	(1.4)	(4.5)
Financial income, net	44.0	42.1	66.6
Financial Income
Schedule of Trading Securities and Other Trading Assets [Line Items]
Interest income	67.6	66.1	78.2
Financial Expense
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortization of marketable securities premium and accretion of discount, net	18.5	21.0	9.4
Realized gain on sale of marketable securities, net	0.0	(1.4)	(4.5)
Foreign currency re-measurement (gain) loss	3.3	(0.2)	4.5
Others	1.8	4.6	2.2
Total financial expense	$ 23.6	$ 24.0	$ 11.6

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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