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Fixed Assets (Tables)
6 Months Ended
Jun. 30, 2023
Property, Plant and Equipment [Abstract]  
Schedule Of Fixed Assets
Fixed assets consisted of the following at:
 June 30,December 31,
(In thousands)20232022
Fixed assets, at cost$976,047 $945,255 
Less accumulated depreciation and amortization497,162 463,070 
Fixed assets, net$478,885 $482,185