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Earnings per share (Tables)
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted A reconciliation of the numerators and the denominators of the basic and diluted earnings per share computations is as follows (in thousands, except per share amounts):
Year Ended December 31,
 202420232022
Numerator
Net income$444,091 $281,594 $202,129 
Denominator
Weighted average common shares outstanding for basic earnings per share
126,827 131,927 136,844 
Dilutive potential common stock outstanding
Stock options
1,827 1,824 2,265 
RSUs, PSUs and ESPP
696 388 422 
Convertible Notes74 58 1,077 
Weighted average common shares outstanding for diluted earnings per share
129,424 134,197 140,608 
Earnings per share
Basic$3.50 $2.13 $1.48 
Diluted$3.43 $2.10 $1.44 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Shares which have been excluded from the calculation of diluted earnings per common share because their effect was anti-dilutive include the following (shares in millions):
Year Ended December 31,
 202420232022
Anti-dilutive securities(1)
26.1 27.8 20.7 
(1)    The anti-dilutive securities include outstanding stock options, unvested RSUs, unvested PSUs, common shares expected to be issued under our ESPP and Convertible Notes.