Per Share Information (Tables)

3 Months Ended

Dec. 31, 2018

Per Share Information [Abstract]

Schedule Of Earnings Per Share Basic And Diluted [Table Text Block]

	Three Months Ended December 31,
	2018		2017
Numerator:
Net income (loss) attributable to IES Holdings, Inc.	$	6,884	$	(29,569)
Denominator:
Weighted average common shares outstanding — basic		21,233,132		21,196,854
Effect of dilutive stock options and non-vested restricted stock		27,933		-
Weighted average common and common equivalent shares outstanding — diluted		21,261,065		21,196,854
Earnings (loss) per share attributable to IES Holdings, Inc.:
Basic	$	0.32	$	(1.39)
Diluted	$	0.32	$	(1.39)