Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The computations of basic and diluted earnings per share are as follows:

	Year Ended September 30,				Nine Months Ended September 30, 2018
	2020		2019
	(In millions, except share and per share amounts)
Numerator:
Net income attributable to Forestar Group Inc.	$	60.8	$	33.0	$	68.8
Denominator:
Weighted average common shares outstanding — basic	48,037,018		41,974,429		41,938,987
Dilutive effect of stock-based compensation	57,093		30,712		30,069
Total weighted average shares outstanding — diluted	48,094,111		42,005,141		41,969,056
Basic net income per common share attributable to Forestar Group Inc.	$	1.26	$	0.79	$	1.64
Diluted net income per common share attributable to Forestar Group Inc.	$	1.26	$	0.79	$	1.64