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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Calculation Of Basic And Diluted Earnings (Loss) Per Common Share
The following tables summarize our calculation of Basic and Diluted Earnings (Loss) per Common Share (“EPS”) for the years ended December 31, 2020, 2019, and 2018 (in thousands, except share and per share data):
 202020192018
Numerator:
Income from continuing operations attributable to EMCOR Group, Inc. common stockholders$132,943 $325,140 $285,876 
Loss from discontinued operation, net of income taxes— — (2,345)
Net income attributable to EMCOR Group, Inc. common stockholders$132,943 $325,140 $283,531 
Denominator:
Weighted average shares outstanding used to compute basic earnings (loss) per common share55,196,173 56,208,280 58,112,838 
Effect of dilutive securities—Share-based awards225,098 311,001 330,629 
Shares used to compute diluted earnings (loss) per common share55,421,271 56,519,281 58,443,467 
Basic earnings (loss) per common share:
From continuing operations attributable to EMCOR Group, Inc. common stockholders$2.41 $5.78 $4.92 
From discontinued operation— — (0.04)
Net income attributable to EMCOR Group, Inc. common stockholders$2.41 $5.78 $4.88 
Diluted earnings (loss) per common share:
From continuing operations attributable to EMCOR Group, Inc. common stockholders$2.40 $5.75 $4.89 
From discontinued operation— — (0.04)
Net income attributable to EMCOR Group, Inc. common stockholders$2.40 $5.75 $4.85