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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Fair Value of Assets Measured on Recurring Basis
The following table provides the Company’s assets that are measured at fair value on a recurring basis, consistent with the fair value hierarchy, at December 31:
20202019
Fair ValueFair Value
(In thousands)
Mutual fund investments$8,969 $8,390 
Fair Value Disclosures of Financial Instrument Liabilities
The following table provides the estimated fair values of the Company’s financial instrument liabilities, for which fair value is measured for disclosure purposes only, compared to the recorded amounts at December 31:
20202019
Recorded
Amount
Fair ValueRecorded
Amount
Fair Value
(In thousands)
Long-term debt, net (including current portion)$(2,347,587)$(2,550,956)$(2,382,041)$(2,531,549)