Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
OPERATING ACTIVITIES
Net income	$ 4,247.4	$ 2,845.7
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	60.2	63.6
Stock-based compensation expense	79.4	69.7
Deferred income taxes	14.3	(2.1)
Inventory and land option charges	30.6	17.6
Gain on sale of assets	0.0	(14.0)
Loss on extinguishment of debt	0.0	(18.1)
Changes in operating assets and liabilities:
Increase in construction in progress and finished homes	(3,063.9)	(1,739.7)
Increase in residential land and lots – developed, under development, held for development and held for sale	(1,005.1)	(1,349.8)
Increase in rental properties	(1,129.6)	(196.0)
Increase in other assets	(777.3)	(368.2)
Increase in mortgage loans held for sale	(55.2)	(115.1)
Increase in accounts payable, accrued expenses and other liabilities	1,036.4	735.7
Cash provided by (used in) operating activities	(562.8)	(34.5)
INVESTING ACTIVITIES
Expenditures for property and equipment	(108.0)	(46.0)
Proceeds from sale of assets	0.0	37.6
Expenditures related to rental properties	0.0	(173.9)
Payments related to business acquisitions, net of cash acquired	(271.5)	(24.4)
Other investing activities	6.6	(0.2)
Net cash used in investing activities	(372.9)	(206.9)
FINANCING ACTIVITIES
Proceeds from notes payable	2,625.0	914.1
Repayment of notes payable	(2,051.2)	(792.8)
Payments on mortgage repurchase facility, net	(88.9)	(39.0)
Proceeds from stock associated with certain employee benefit plans	26.9	15.5
Cash paid for shares withheld for taxes	(61.8)	(78.5)
Cash dividends paid	(238.4)	(217.7)
Repurchases of common stock	(859.7)	(661.4)
Net proceeds from issuance of Forestar common stock	1.7	32.6
Net other financing activities	29.2	(2.4)
Net cash used in financing activities	(617.2)	(829.6)
Net decrease in cash, cash equivalents and restricted cash	(1,552.9)	(1,071.0)
Cash, cash equivalents and restricted cash at beginning of period	3,237.2	3,040.1
Cash, cash equivalents and restricted cash at end of period	1,684.3	1,969.1
SUPPLEMENTAL DISCLOSURES OF NON-CASH ACTIVITIES:
Notes payable issued for inventory	64.3	12.5
Stock issued under employee incentive plans	130.0	124.7
Repurchase of common stock not settled	$ 20.1	$ 0.0