v3.24.1.u1
EARNINGS PER COMMON SHARE (Tables)
 3 Months Ended
Mar. 31, 2024
Earnings Per Share [Abstract]  
Schedule of Earnings Per Basic and Diluted by Common Class
The following table sets forth basic and diluted net income per common share computational data (shares in thousands, except per share data):
Three Months Ended March 31,
20242023
Net income attributable to American Tower Corporation common stockholders$917.4 $335.8 
Basic weighted average common shares outstanding466,519 465,741 
Dilutive securities1,141 1,069 
Diluted weighted average common shares outstanding467,660 466,810 
Basic net income attributable to American Tower Corporation common stockholders per common share$1.97 $0.72 
Diluted net income attributable to American Tower Corporation common stockholders per common share$1.96 $0.72 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share The following shares were not included in the computation of diluted earnings per share because the effect would be anti-dilutive (in thousands, on a weighted average basis):
Three Months Ended March 31,
 20242023
Restricted stock units126 5