| Schedule of Fair Value Hierarchy of Financial Assets Carried at Fair Value on a Recurring Basis |
| | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2020 Using | | | | | | | | | Significant | | | Total Carrying | | Quoted prices in | | Significant other | | unobservable | | | Value at | | active market | | observable inputs | | inputs | (In millions) | | December 31, 2020 | | (Level 1) | | (Level 2) | | (Level 3) | Other long-term assets: | | | | | | | | | | | | | Money market mutual funds | | $ | 1.1 | | $ | 1.1 | | $ | — | | $ | — | Investments measured at net asset value(1) | | | 10.6 | | | — | | | — | | | — | Marketable equity securities: | | | | | | | | | | | | | Investment in NCM | | | 5.2 | | | 5.2 | | | — | | | — | Total assets at fair value | | $ | 16.9 | | $ | 6.3 | | $ | — | | $ | — |
| | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2019 Using | | | | | | | | | Significant | | | Total Carrying | | Quoted prices in | | Significant other | | unobservable | | | Value at | | active market | | observable inputs | | inputs | (In millions) | | December 31, 2019 | | (Level 1) | | (Level 2) | | (Level 3) | Other long-term assets: | | | | | | | | | | | | | Money market mutual funds | | $ | 0.6 | | $ | 0.6 | | $ | — | | $ | — | Derivative asset | | | 38.0 | | | — | | | — | | | 38.0 | Investments measured at net asset value(1) | | | 11.9 | | | — | | | — | | | — | Marketable equity securities: | | | | | | | | | | | | | Investment in NCM | | | 0.7 | | | 0.7 | | | — | | | — | Total assets at fair value | | $ | 51.2 | | $ | 1.3 | | $ | — | | $ | 38.0 | | | | | | | | | | | | | | Corporate Borrowings: | | | | | | | | | | | | | Derivative liability | | $ | 0.5 | | $ | — | | $ | — | | $ | 0.5 | Total liabilities at fair value | | $ | 0.5 | | $ | — | | $ | — | | $ | 0.5 |
| (1) | The investments relate to non-qualified deferred compensation arrangements on behalf of certain members of management. The Company has an equivalent liability for this related-party transaction recorded in other long-term liabilities for the deferred compensation obligation. |
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| Summary of fair value hierarchy of the Company's assets that were measured at fair value on a nonrecurring basis |
| | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements Using | | | | | | | | | | | Significant other | | Significant | | | | | | | Total Carrying | | Quoted prices in | | observable | | unobservable | | | | | | | Value at | | active market | | inputs | | inputs | | Total | (In millions) | | Measurement Date | | Measurement Date | | (Level 1) | | (Level 2) | | (Level 3) | | Losses | Property, net: | | | | | | | | | | | | | | | | | | Property net | | March 31, 2020 | | $ | 40.5 | | $ | — | | $ | — | | $ | 40.5 | | $ | 30.9 | Property net | | September 30, 2020 | | | 14.3 | | | — | | | — | | | 14.3 | | | 8.5 | Property net | | December 31, 2020 | | | 25.4 | | | — | | | — | | | 25.4 | | | 20.7 | Operating lease right-of-use assets | | | | | | | | | | | | | | | | | | Operating lease right-of-use assets | | March 31, 2020 | | | 124.0 | | | — | | | — | | | 124.0 | | | 60.4 | Operating lease right-of-use assets | | September 30, 2020 | | | 56.8 | | | — | | | — | | | 56.8 | | | 19.6 | Operating lease right-of-use assets | | December 31, 2020 | | | 69.0 | | | — | | | — | | | 69.0 | | | 37.8 | Intangible assets, net | | | | | | | | | | | | | | | | | | Definite-lived intangible assets | | March 31, 2020 | | | 6.6 | | | — | | | — | | | 6.6 | | | 8.0 | Indefinite-lived intangible assets | | March 31, 2020 | | | 50.3 | | | — | | | — | | | 50.3 | | | 8.3 | Definite-lived intangible assets | | September 30, 2020 | | | — | | | — | | | — | | | — | | | 6.4 | Indefinite-lived intangible assets | | September 30, 2020 | | | 43.8 | | | — | | | — | | | 43.8 | | | 4.6 | Indefinite-lived intangible assets | | December 31, 2020 | | | 44.0 | | | — | | | — | | | 44.0 | | | 2.3 | Goodwill | | | | | | | | | | | | | | | | | | Goodwill | | March 31, 2020 | | | 2,938.0 | | | — | | | — | | | 2,938.0 | | | 1,744.3 | Goodwill | | September 30, 2020 | | | 2,874.4 | | | — | | | — | | | 2,874.4 | | | 156.8 | Goodwill | | December 31, 2020 | | | 2,547.3 | | | — | | | — | | | 2,547.3 | | | 405.3 | Other long-term assets | | | | | | | | | | | | | | | | | | Cost method investments | | March 31, 2020 | | | — | | | — | | | — | | | — | | | 7.2 | Cost method investments | | December 31, 2020 | | | 11.3 | | | — | | | — | | | 11.3 | | | 8.7 | Equity method investments | | December 31, 2020 | | | 17.2 | | | — | | | — | | | 17.2 | | | 8.6 | Total | | | | $ | 8,862.9 | | $ | — | | $ | — | | $ | 8,862.9 | | $ | 2,538.4 |
| | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2019 Using | | | | | | | | | Significant other | | Significant | | | | | Total Carrying | | Quoted prices in | | observable | | unobservable | | | | | Value at | | active market | | inputs | | inputs | | Total | (In millions) | | December 31, 2019 | | (Level 1) | | (Level 2) | | (Level 3) | | Losses | Property, net: | | | | | | | | | | | | | | | | Property net | | $ | 29.2 | | $ | — | | $ | — | | $ | 29.2 | | $ | 23.1 | Operating lease right-of-use assets | | | | | | | | | | | | | | | | Operating lease right-of-use assets | | | 123.3 | | | — | | | — | | | 123.3 | | | 60.0 | Other long-term assets | | | | | | | | | | | | | | | | Property owned, net | | | 3.0 | | | — | | | — | | | 3.0 | | | 1.2 | Equity interest investment | | | 2.2 | | | — | | | — | | | 2.2 | | | 3.6 | Total | | $ | 157.7 | | $ | — | | $ | — | | $ | 157.7 | | $ | 87.9 |
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| Schedule of Fair Value of Financial Instruments Not Recognized at Fair Value for Which It Is Practicable to Estimate Fair Value |
| | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2020 Using | | | | | | | Significant other | | Significant | | | Total Carrying | | Quoted prices in | | observable | | unobservable | | | Value at | | active market | | inputs | | inputs | (In millions) | | December 31, 2020 | | (Level 1) | | (Level 2) | | (Level 3) | Current maturities of corporate borrowings | | $ | 20.0 | | $ | — | | $ | 12.9 | | $ | — | Corporate borrowings | | | 5,695.8 | | | — | | | 2,485.9 | | | 278.0 |
| | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2019 Using | | | | | | | | Significant other | | Significant | | | Total Carrying | | Quoted prices in | | observable | | unobservable | | | Value at | | active market | | inputs | | inputs | (In millions) | | December 31, 2019 | | (Level 1) | | (Level 2) | | (Level 3) | Current maturities of corporate borrowings | | $ | 20.0 | | $ | — | | $ | 20.4 | | $ | — | Corporate borrowings | | | 4,733.4 | | | — | | | 4,135.3 | | | 514.9 |
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