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Income Taxes - Deferred Taxes in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Deferred income taxes | $ 44.3 | $ 156.8
Non-current assets |  |
Deferred income taxes | 63.4 | 158.3
Other non-current liabilities |  |
Deferred income taxes | $ 19.1 | $ 1.5

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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