Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2016

Quarterly Financial Data [Abstract]

Summary of quarterly results of operations

Consolidated quarterly results of operations for fiscal 2016 and 2015 were (in millions, except per share amounts):

	Fiscal 2016
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Revenues	$	2,416.4	$	2,767.9	$	3,231.9	$	3,741.3
Inventory and land option charges	2.0		6.0		8.1		15.4
Gross profit	468.9		531.7		625.8		732.6
Income before income taxes	241.3		300.5		378.6		433.0
Income tax expense	83.6		105.4		128.8		149.4
Net income	157.7		195.1		249.8		283.6
Basic net income per common share	0.43		0.53		0.67		0.76
Net income per common share assuming dilution	0.42		0.52		0.66		0.75

	Fiscal 2015
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Revenues	$	2,302.6	$	2,398.0	$	2,950.8	$	3,172.5
Inventory and land option charges	6.0		12.5		15.4		26.3
Gross profit	438.6		446.5		556.0		582.3
Income before income taxes	220.7		230.1		333.8		338.8
Income tax expense	78.2		82.2		112.4		99.9
Net income	142.5		147.9		221.4		238.9
Basic net income per common share	0.39		0.40		0.60		0.65
Net income per common share assuming dilution	0.39		0.40		0.60		0.64