Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net income	$ 759.5	$ 687.7
Adjustments to arrive at cash provided by operating activities:
Depreciation	91.0	92.6
Amortization of intangible assets	36.7	19.6
Change in fair value of investments	(101.7)	140.1
Share-based compensation expense	34.7	32.5
Retirement benefit expense	94.9	51.6
Pension contributions	(24.7)	(22.0)
Net (gain) loss on disposition of property	(12.5)	1.9
Settlement of interest rate derivatives	22.0	(35.7)
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments:
Receivables	10.5	(34.4)
Inventories	(41.4)	(77.1)
Accounts payable	(30.8)	(38.1)
Contract liabilities	63.6	26.5
Compensation and benefits	(52.1)	(73.7)
Income taxes	(81.8)	(66.3)
Other assets and liabilities	26.8	1.8
Cash provided by operating activities	794.7	707.0
Investing activities:
Capital expenditures	(91.9)	(108.7)
Acquisition of businesses, net of cash acquired	(545.9)	(20.7)
Purchases of investments	(10.7)	(3.3)
Proceeds from maturities of investments	6.0	258.7
Proceeds from sale of investments	37.9	0.0
Proceeds from sale of property	14.8	3.3
Other investing activities	(1.3)	0.0
Cash (used for) provided by investing activities	(591.1)	129.3
Financing activities:
Net issuance (repayment) of short-term debt		(550.4)
Issuance of short-term debt, net of issuance costs	422.7
Issuance of long-term debt, net of discount and issuance costs	0.0	987.6
Repayment of long-term debt	(300.7)	0.0
Cash dividends	(354.3)	(346.9)
Purchases of treasury stock	(264.2)	(787.4)
Proceeds from the exercise of stock options	187.4	36.5
Other financing activities	0.8	0.0
Cash used for financing activities	(308.3)	(660.6)
Effect of exchange rate changes on cash	(3.9)	(5.7)
(Decrease) increase in cash and cash equivalents	(108.6)	170.0
Cash and cash equivalents at beginning of period	1,018.4	618.8
Cash and cash equivalents at end of period	$ 909.8	$ 788.8