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Computation of Earnings Per Share - Calculations Of Basic And Diluted (Loss) Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Numerator:    
Net income used for calculating basic and diluted income per share $ 295,783 $ 172,515
Denominator:    
Weighted average number of common shares used in the calculation of basic income per share (in shares) 79,452 82,020
Dilutive effect of outstanding awards associated with stock-based compensation plans (in shares) 830 953
Shares used in the calculation of diluted income per share (in shares) 80,282 82,973
Basic income per share (in dollars per share) $ 3.72 $ 2.10
Diluted income per share (in dollars per share) $ 3.68 $ 2.08