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Per Share Information
 3 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
5. PER SHARE INFORMATION

The following tables reconcile the components of basic and diluted earnings per share for the three months ended December 31, 2021 and 2020:
Three Months Ended December 31,
20212020
Numerator:
Net income attributable to IES Holdings, Inc.$14,464 $12,098 
Increase (decrease) in noncontrolling interest60 (118)
Net income attributable to restricted stockholders of IES Holdings, Inc.11 12 
Net income attributable to common stockholders of IES Holdings, Inc.$14,393 $12,204 
Denominator:
Weighted average common shares outstanding — basic20,702,844 20,734,516 
Effect of dilutive stock options and non-vested securities256,043 326,839 
Weighted average common and common equivalent shares outstanding — diluted
20,958,887 21,061,355 
Earnings per share attributable to common stockholders of IES Holdings, Inc.:
Basic$0.70$0.58
Diluted$0.69$0.58
For the three months ended December 31, 2021 and 2020, the average price of our common shares exceeded the exercise price of all of our outstanding options; therefore, all of our outstanding stock options were included in the computation of diluted earnings per share.