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Supplemental Information to Condensed Consolidated Statements of Cash Flows (Parenthetical) (Detail) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
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Sep. 30, 2022 | Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract] |  |
Additions to theatre properties and equipment included in accounts payable | $ 12.4 | $ 8.2

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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586 + Details
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Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration