CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating activities:
Consolidated net income	$ 301.7	$ 1,358.0
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation, depletion and amortization	742.8	622.5
Cost of real estate sold	11.0	27.1
Deferred income tax expense (benefit)	39.6	(1,222.7)
Share-based compensation expense	35.5	33.9
Pension and other postretirement funding (more) than expense (income)	(27.0)	(49.8)
Multiemployer pension withdrawals		180.0
Land and Development impairments	13.0	27.6
Other impairment adjustments	10.0	10.4
Gain on disposal of plant and equipment and other, net	(45.5)	(0.8)
Other	(46.3)	(15.6)
Change in operating assets and liabilities, net of acquisitions and divestitures:
Accounts receivable	117.3	(297.5)
Inventories	(67.5)	(83.0)
Other assets	(128.9)	(56.0)
Accounts payable	(143.4)	(67.3)
Income taxes	(27.0)	94.1
Accrued liabilities and other	(120.3)	(87.2)
Net cash provided by operating activities	665.0	473.7
Investing activities:
Capital expenditures	(625.4)	(426.7)
Cash paid related to business combinations, net of cash acquired	(3,349.3)	(185.2)
Cash receipts on sold trade receivables		253.1
Investment in unconsolidated entities	(0.2)	(111.0)
Proceeds from sale of property, plant and equipment	105.3	15.7
Proceeds from property, plant and equipment insurance settlement	8.8	4.8
Other	10.2	8.2
Net cash used for investing activities	(3,850.6)	(441.1)
Financing activities:
Proceeds from issuance of notes	1,498.5	1,197.3
Additions to revolving credit facilities	172.0	94.3
Additions to debt	3,957.9	853.2
Repayments of debt	(3,209.6)	(2,010.4)
Changes in commercial paper, net	588.3	63.3
Other financing additions (repayments), net	16.6	(24.5)
Issuances of common stock, net of related minimum tax withholdings	3.2	17.4
Purchases of common stock	(88.6)
Cash dividends paid to stockholders	(233.7)	(219.4)
Cash distributions paid to noncontrolling interests	(2.8)	(8.6)
Other	3.0	(24.9)
Net cash provided by (used for) financing activities	2,704.8	(62.3)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1.8)	(1.9)
Decrease in cash, cash equivalents and restricted cash	(482.6)	(31.6)
Cash, cash equivalents and restricted cash at beginning of period	636.8	304.0
Cash, cash equivalents and restricted cash at end of period	154.2	272.4
Supplemental disclosure of cash flow information:
Income taxes, net of refunds	94.3	69.8
Interest, net of amounts capitalized	$ 202.9	$ 135.1