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v3.22.2.2

Summary of Impairment Charges (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |
Total Impairment |  | $ 15.2 | $ 7.5 | $ 107.5 | $ 7.5
U.S. Operating Segment |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |
Theatre properties |  | 1.1 | 4.8 | 3.6 | 4.8
Theatre operating lease right-of-use assets |  | 2.7 | 2.6 | 4.7 | 2.6
Investment in NCM | [1] | 11.2 | 0.0 | 98.0 | 0.0
Total Impairment |  | 15.0 | 7.4 | 106.3 | 7.4
International |  |  |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |  |  |
Theatre properties |  | 0.1 | 0.1 | 0.8 | 0.1
Theatre operating lease right-of-use assets |  | 0.1 | 0.0 | 0.4 | 0.0
International total |  | $ 0.2 | $ 0.1 | $ 1.2 | $ 0.1
[1] | See discussion at Impairment of NCM Investment in Note 8.

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: 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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2420-110228 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 8A -URI https://asc.fasb.org/extlink&oid=124260329&loc=SL6284422-111562 + Details
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