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Earnings per Share
 12 Months Ended
Dec. 31, 2023
Loss per Share [Abstract]  
Earnings Per Share [Text Block] Earnings Per Share
The table below presents a reconciliation between basic and diluted weighted average shares outstanding, net income available to common shareholders and basic and diluted income per share for the years ended December 31, 2023, 2022 and 2021:
Year Ended December 31,
(In thousands, except per share amounts)202320222021
NUMERATOR
Net income$465,365 $490,662 $396,868 
DENOMINATOR
Basic weighted average shares outstanding27,769 27,876 29,092 
Effect of dilutive securities:
Stock option awards639 265 468 
Deferred compensation awards308 322 320 
Diluted weighted average shares outstanding - adjusted for assumed conversions28,716 28,463 29,880 
Earnings per common share
Basic$16.76 $17.60 $13.64 
Diluted$16.21 $17.24 $13.28 
Anti-dilutive equity awards not included in the calculation of diluted earnings per common share— 846 11