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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings per share Earnings per share for the years ended December 31, 2021, 2020, and 2019 are calculated as follows (in thousands, except per share amounts):
202120202019
Basic earnings per share:
Net income attributable to Republic Services, Inc.$1,290,405 $967,237 $1,073,286 
Weighted average common shares outstanding318,811 319,282 321,058 
Basic earnings per share$4.05 $3.03 $3.34 
Diluted earnings per share:
Net income attributable to Republic Services, Inc.$1,290,405 $967,237 $1,073,286 
Weighted average common shares outstanding318,811 319,282 321,058 
Effect of dilutive securities:
Options to purchase common stock— 52 247 
Unvested RSU awards266 175 254 
Unvested PSU awards348 327 431 
Weighted average common and common equivalent shares outstanding319,425 319,836 321,990 
Diluted earnings per share$4.04 $3.02 $3.33