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Business Segment Information (Reconciliation of Total Operating Profit) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Segment Reporting [Abstract]    
Total operating profit from segments $ 238,823 $ 154,353
Corporate overhead expenses (24,024) (21,516)
Income from operations $ 214,799 $ 132,837