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Fixed Assets (Tables)
3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Schedule Of Fixed Assets
Fixed assets consisted of the following at:
 March 31,December 31,
(In thousands)20232022
Fixed assets, at cost$959,897 $945,255 
Less accumulated depreciation and amortization478,993 463,070 
Fixed assets, net$480,904 $482,185