Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2015

Quarterly Financial Data [Abstract]

Summary of quarterly results of operations

Consolidated quarterly results of operations were (in millions, except per share amounts):

	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

	Fiscal 2014
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Revenues	$	1,670.6	$	1,735.0	$	2,147.0	$	2,472.3
Inventory and land option charges	2.6		4.4		56.8		21.3
Gross profit	362.0		376.8		377.4		473.7
Income before income taxes	189.7		201.9		171.8		250.8
Income tax expense	66.5		70.9		58.7		84.5
Net income	123.2		131.0		113.1		166.3
Basic net income per common share	0.38		0.40		0.32		0.46
Net income per common share assuming dilution	0.36		0.38		0.32		0.45