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Earnings per Share (Tables)
 12 Months Ended
Dec. 31, 2022
Earnings Per Share [Abstract]  
Schedule of common stock equivalents excluded in the calculation of diluted earnings per share
In addition to the above described effect of the 2023 Notes and the related Convertible Note Hedge and Warrant Transactions, the Company also excluded the common stock equivalents of the following outstanding stock-based awards in the calculation of diluted EPS, because their inclusion would be anti-dilutive:
Years Ended December 31,
202220212020
Stock options, RSUs, PSUs373,728 1,275,114 2,888,785 
Schedule of computation of basic and diluted net earnings per share The following table sets forth the computation of basic and diluted net earnings per share for the years ended December 31, 2022, 2021, and 2020 (dollars in thousands, except share and per share amounts):
 Years Ended December 31,
202220212020
Numerator:
Net earnings$60,711 $53,424 $126,950 
After-tax interest expense for 2023 Notes3,556 — — 
Numerator for dilutive earnings per share$64,267 $53,424 $126,950 
Denominator:
Weighted average shares outstanding, basic53,665,143 53,099,330 52,615,269 
Effect of dilutive securities:
Stock options, RSUs and SARs1,230,721 1,257,414 1,074,474 
Convertible Notes6,783,936 — — 
Weighted average shares outstanding, diluted61,679,800 54,356,744 53,689,743 
Earnings per share, basic$1.13 $1.01 $2.41 
Earnings per share, diluted$1.04 $0.98 $2.36