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Represents the expenses recorded related to general liability and workers compensation claims.

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Represents the self-insured amount for general liability per occurrence related to workers compensation claims.

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No definition available.

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Represents the deductible limit per occurrence for self-insured amount for general liability related to workers compensation claims.

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No definition available.

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The number of screens in theatres for which tangible asset impairment charges were recorded.

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No definition available.

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The number of theatres for which tangible asset impairment charges were recorded.

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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.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Impairment, Taxes, Insurance (Details) £ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) item	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($) item	Jan. 20, 2017 USD ($)	Dec. 31, 2016 GBP (£)	Dec. 31, 2016 USD ($)	Nov. 08, 2016 GBP (£)
Impairment losses
Impairment losses	$ 5,544,000	$ 1,702,000	$ 3,149,000
Impairment of property		$ 863,000
Tangible asset impairment, number of theatres \| item	2	3	8
Tangible asset impairment, number of screens \| item	22	15	94
Casualty Insurance
Self-insured amount for general liability per occurrence						$ 1,000,000
Deductible limit per occurrence for workers compensation claims						500,000
Casualty insurance reserves, net of estimated insurance recoveries		$ 19,973,000				$ 23,435,000
Expenses related to general liability and workers compensation claims	$ 15,617,000	18,487,000	$ 16,329,000
6.375% Senior Subordinated Notes due 2024
Foreign Currency Translation [Abstract]
Debt instrument face amount \| £					£ 250,000		£ 250,000
Interest rate of debt (as a percent)					6.375%	6.375%	6.375%
Impairment Of LongLived Assets Caption [Member]
Impairment losses
Impairment losses	$ 5,544,000	$ 1,702,000	$ 3,149,000
Nordic \| Subsequent Events
Foreign Currency Translation [Abstract]
Debt instrument face amount				$ 675,000,000