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Business Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 24, 2020 | Sep. 26, 2019 | Sep. 24, 2020 | Sep. 26, 2019
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 33,591 | $ 211,462 | $ 200,984 | $ 614,001
Operating income (loss) | (47,987) | 22,387 | (123,249) | 54,812
Depreciation and amortization | 18,690 | 19,226 | 56,568 | 53,484
Theatres [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 7,354 | 136,802 | 118,414 | 414,074
Operating income (loss) | (37,174) | 16,843 | (78,788) | 57,656
Depreciation and amortization | 13,353 | 13,438 | 40,245 | 37,918
Hotels/Resorts [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 26,178 | 74,572 | 82,253 | 199,604
Operating income (loss) | (6,925) | 10,580 | (32,459) | 11,443
Depreciation and amortization | 5,210 | 5,451 | 15,955 | 15,050
Corporate Items [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 59 | 88 | 317 | 323
Operating income (loss) | (3,888) | (5,036) | (12,002) | (14,287)
Depreciation and amortization | $ 127 | $ 337 | $ 368 | $ 516

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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: 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=121586364&loc=d3e3602-108585 + Details
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