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Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |  |
Beginning balance |  | $ 442.8 | [1] | $ 412.9
Increases related to tax positions taken during prior years |  | 47.2 |  | 49.4
Decreases related to statute of limitations |  | (77.2) |  | (72.8)
Increases related to tax positions taken during the current year |  | 56.7 |  | 53.3
Ending balance | [1] | $ 469.5 |  | $ 442.8
[1] | *) As of December 31, 2021 and 2020 unrecognized tax benefit in the amounts of $14.6 and $20.0 was presented net from deferred tax asset

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- Definition Unrecognized Tax Benefits, Increases (Decreases) Resulting from Prior Period Tax Positions + References No definition available. + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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