Consolidated Statement of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income	$ 673.6	$ 288.3
Adjustments to arrive at cash provided by operating activities
Depreciation	61.9	64.9
Amortization of intangible assets	58.0	56.5
Change in fair value of investments	(203.6)	133.1
Share-based compensation expense	41.6	31.2
Retirement benefit expense	114.4	58.0
Net loss on disposition of property	0.7	0.3
Pension contributions	(13.4)	(15.8)
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments
Receivables	(211.1)	(160.3)
Inventories	(220.6)	(136.4)
Accounts payable	(75.5)	70.2
Contract liabilities	85.1	79.4
Compensation and benefits	14.1	(145.0)
Income taxes	(30.8)	(229.7)
Other assets and liabilities	(41.0)	(15.9)
Cash provided by operating activities	253.4	78.8
Investing activities:
Capital expenditures	(55.7)	(82.0)
Acquisition of businesses, net of cash acquired	(168.0)	(16.4)
Purchases of investments	(5.2)	(47.6)
Proceeds from sale of investments	205.2	1.3
Other investing activities	4.2	0.0
Cash used for investing activities	(19.5)	(144.7)
Financing activities:
Net issuance of short-term debt	162.2	341.3
Repayment of short-term debt	(18.8)	(210.0)
Cash dividends	(271.4)	(260.2)
Purchases of treasury stock	(195.2)	(51.2)
Proceeds from the exercise of stock options	48.7	42.0
Other financing activities	(22.0)	(4.4)
Cash used for financing activities	(296.5)	(142.5)
Effect of exchange rate changes on cash	19.3	(10.8)
Decrease in cash, cash equivalents, and restricted cash	(43.3)	(219.2)
Cash, cash equivalents, and restricted cash at beginning of period	507.9	679.4
Cash, cash equivalents, and restricted cash at end of period	464.6	460.2
Components of cash, cash equivalents, and restricted cash
Cash and cash equivalents	456.0	443.0
Restricted cash, current (Other current assets)	8.6	8.6
Restricted cash, noncurrent (Other assets)	0.0	8.6
Total cash, cash equivalents, and restricted cash	$ 464.6	$ 460.2