Percentage of interest rate in cash.

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Threshold amount to be maintained by the company to ensure liquidity requirements undrawn under the debt instrument covenant.

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Percentage of paid in kind interest rate.

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Number of interest periods.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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The price per share of the conversion feature embedded in the debt instrument.

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

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Net increase or decrease in the carrying amount of the debt instrument for the period.

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

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from the additional capital contribution to the entity.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Number of new stock issued during the period.

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Number of shares (or other type of equity) forfeited during the period.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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SUBSEQUENT EVENTS (Details) $ / shares in Units, € in Millions, £ in Millions, $ in Millions									1 Months Ended		12 Months Ended
	Feb. 15, 2021 GBP (£)	Feb. 15, 2021 EUR (€)	Jan. 27, 2021 USD ($) $ / shares shares	Jan. 25, 2021 USD ($) $ / shares shares	Jan. 24, 2021	Jan. 15, 2021 USD ($) item	Sep. 14, 2020 USD ($)	Jul. 31, 2020 USD ($)	Jan. 31, 2021 USD ($) shares	Jul. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($)	Apr. 01, 2022 USD ($)	Apr. 01, 2022 EUR (€)	Mar. 08, 2021 USD ($)	Feb. 15, 2021 USD ($)	Feb. 15, 2021 GBP (£)	Feb. 15, 2021 EUR (€)	Feb. 01, 2021	Dec. 11, 2020 $ / shares shares	Nov. 10, 2020 $ / shares shares	Oct. 20, 2020 $ / shares shares	Sep. 24, 2020 $ / shares shares
Subsequent Events
Interest expense											$ 311.0	$ 292.8	$ 262.3
Ownership percentage											49.00%
Class A common stock
Subsequent Events
Number of shares authorized \| shares											524,173,073	524,173,073
Common stock, par value (in dollars per share) \| $ / shares											$ 0.01	$ 0.01
Gross proceeds											$ 264.7
Class A common stock \| Equity Distribution Agreement [Member]
Subsequent Events
Number of shares authorized \| shares																					178,000,000.0	20,000,000	15,000,000	15,000,000
Common stock, par value (in dollars per share) \| $ / shares																					$ 0.01	$ 0.01	$ 0.01	$ 0.01
Gross proceeds											$ 272.8
Number of shares issued \| shares											90,955,685
Sales agents fees paid											$ 8.1
Class B common stock
Subsequent Events
Number of shares authorized \| shares											51,769,784	51,769,784
Common stock, par value (in dollars per share) \| $ / shares											$ 0.01	$ 0.01
Wanda
Subsequent Events
Ownership percentage											23.08%									9.80%
Maximum
Subsequent Events
Ownership percentage											50.00%
Odean Term Loan Facility
Subsequent Events
Aggregate principal amount														$ 45.0	€ 32.5
Convertible Notes due 2026
Subsequent Events
Amount exchanged								$ 600.0
Convertible Notes due 2026 \| Class A common stock
Subsequent Events
Amount exchanged							$ 600.0
Senior Subordinated Notes
Subsequent Events
Aggregate principal amount								1,782.5		$ 1,782.5	$ 235.0
Reduction in principal due to refinance								$ 555.0		555.0
Amount exchanged										$ 2,020.0
Senior Secured Credit Facility
Subsequent Events
Aggregate principal amount														100.0
Amount of minimum liquidity requirements														$ 145.0
Subsequent Events \| Class A common stock \| Equity Distribution Agreement [Member]
Subsequent Events
Common stock, par value (in dollars per share) \| $ / shares				$ 0.01
Gross proceeds				$ 582.0					$ 596.9
Number of shares issued \| shares				50,000,000					187,066,293
Sales agents fees paid									$ 14.9
Subsequent Events \| Wanda \| Class B common stock
Subsequent Events
Shares forfeited \| shares			5,666,000
Ownership percentage																				9.80%
Subsequent Events \| Maximum \| Class A common stock \| Equity Distribution Agreement [Member]
Subsequent Events
Number of shares authorized \| shares				50,000,000
Subsequent Events \| Convertible Notes due 2026
Subsequent Events
Amount exchanged			$ 600.0
Conversion rate (in dollars per share) \| $ / shares			$ 13.51
Shares issued on conversion \| shares			44,422,860
Interest expense			$ 70.0
Subsequent Events \| Senior Secured Credit Facility
Subsequent Events
Amount of minimum liquidity requirements																$ 100.0
Subsequent Events \| Odeon Cinemas Group Limited \| Odean Term Loan Facility
Subsequent Events
Aggregate principal amount																	$ 45.0		€ 32.5
Stated interest rate (as a percent)																	10.75%	10.75%	10.75%
Debt instrument maturity					2 years 6 months
Interest rate cash (as a percent)	11.25%	11.25%
Subsequent Events \| Odeon Cinemas Group Limited \| 140.0 million term loan facility agreement
Subsequent Events
Aggregate principal amount																	$ 140.0	£ 140.0	€ 140.0
Repayments of Lines of Credit	£ 89.7	€ 89.7
Subsequent Events \| Odeon Cinemas Group Limited \| 296.0 million term loan facility agreement
Subsequent Events
Aggregate principal amount																	$ 296.0		€ 296.0
Repayments of Lines of Credit \| €		€ 12.8
Subsequent Events \| First Lien Toggle Notes Due 2026 [Member]
Subsequent Events
Aggregate principal amount						$ 100.0
Stated interest rate (as a percent)						15.00%
Number of interest periods \| item						3
PIK interest rate (as a percent)						17.00%