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Fixed Assets (Tables)
3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Schedule Of Fixed Assets
Fixed assets consisted of the following at:
 March 31,December 31,
(In thousands)20222021
Fixed assets, at cost$883,257 $842,462 
Less accumulated depreciation and amortization433,162 416,007 
Fixed assets, net$450,095 $426,455