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Financial Income, Net (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |
Amortization of marketable securities premium and accretion of discount, net | $ 21.0 | $ 9.4 | $ 2.0
Realized (gain) on sale of marketable securities, net | (1.4) | (4.5) | (0.7)
Financial income, net | 42.1 | 66.6 | 80.6
Financial Income |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |
Interest income | 66.1 | 78.2 | 93.3
Financial Expense |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |
Amortization of marketable securities premium and accretion of discount, net | 21.0 | 9.4 | 2.0
Realized (gain) on sale of marketable securities, net | (1.4) | (4.5) | (0.7)
Foreign currency re-measurement (gain) loss | (0.2) | 4.5 | 8.9
Others | 4.6 | 2.2 | 2.5
Total financial expense | $ 24.0 | $ 11.6 | $ 12.7

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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