CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Consolidated net income	$ 468.4	$ 555.5
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation, depletion and amortization	1,121.4	1,128.1
Cost of real estate sold	16.1	17.3
Deferred income tax expense	16.1	36.4
Share-based compensation expense	98.4	51.3
Pension and other postretirement funding more than expense (income)	(60.7)	(44.3)
Multiemployer pension withdrawal income	(1.1)	(1.7)
Land and Development impairments		13.0
Other impairment adjustments	2.2	10.5
Gain on disposal of plant and equipment and other, net	(5.5)	(39.2)
Other, net	(33.4)	(61.5)
Change in operating assets and liabilities, net of acquisitions and divestitures:
Accounts receivable	82.4	93.9
Inventories	(70.7)	(39.5)
Other assets	(98.3)	(171.7)
Accounts payable	(240.1)	(126.3)
Income taxes	15.7	(29.5)
Accrued liabilities and other	28.1	7.3
Net cash provided by operating activities	1,339.0	1,399.6
Investing activities:
Capital expenditures	(860.2)	(976.8)
Cash paid related to business combinations, net of cash acquired		(3,368.3)
Investment in unconsolidated entities	(1.0)	(10.4)
Proceeds from sale of property, plant and equipment	22.5	108.3
Proceeds from property, plant and equipment insurance settlement	2.4	16.5
Other, net	10.9	30.0
Net cash used for investing activities	(825.4)	(4,200.7)
Financing activities:
Proceeds from issuance of notes	598.6	2,498.2
Additions to revolving credit facilities	413.0	192.2
Repayments of revolving credit facilities	(478.2)	(177.2)
Additions to debt	683.1	4,441.0
Repayments of debt	(1,195.8)	(4,665.0)
(Repayments) additions to commercial paper, net	(9.3)	445.6
Other debt (repayments) additions, net	(69.2)	45.9
Issuances of common stock, net of related minimum tax withholdings	16.7	8.6
Purchases of common stock		(88.6)
Cash dividends paid to stockholders	(292.6)	(350.7)
Cash distributions paid to noncontrolling interests	(1.4)	(3.4)
Other, net	(17.0)	(7.1)
Net cash (used for) provided by financing activities	(352.1)	2,339.5
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(21.6)	3.9
Increase (decrease) in cash, cash equivalents and restricted cash	139.9	(457.7)
Cash, cash equivalents and restricted cash at beginning of period	151.6	636.8
Cash, cash equivalents and restricted cash at end of period	291.5	179.1
Supplemental disclosure of cash flow information:
Income taxes, net of refunds	90.9	178.1
Interest, net of amounts capitalized	$ 251.4	$ 249.9