Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net income	$ 583.1	$ 1,269.7
Adjustments to arrive at cash provided by operating activities:
Depreciation	93.6	90.3
Amortization of intangible assets	84.6	45.4
Change in fair value of investments	138.3	(624.6)
Share-based compensation expense	48.8	37.9
Retirement benefit expense	61.7	117.8
Pension contributions	(23.1)	(26.7)
Net loss on disposition of property	0.4	0.6
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments:
Receivables	(326.1)	(143.7)
Inventories	(206.2)	(133.3)
Accounts payable	118.5	194.1
Contract liabilities	96.8	81.0
Compensation and benefits	(114.9)	141.6
Income taxes	(202.6)	(8.9)
Other assets and liabilities	70.8	15.7
Cash provided by operating activities	423.7	1,056.9
Investing activities:
Capital expenditures	(100.3)	(76.6)
Acquisition of businesses, net of cash acquired	(16.5)	(283.0)
Purchases of investments	(48.5)	(9.1)
Proceeds from sale of investments	66.0	0.0
Other investing activities	0.1	(3.5)
Cash used for investing activities	(99.2)	(372.2)
Financing activities:
Net issuance of short-term debt	301.8	0.0
Repayment of short-term debt	(210.0)	0.0
Cash dividends	(390.4)	(372.9)
Purchases of treasury stock	(218.5)	(238.5)
Proceeds from the exercise of stock options	46.1	122.7
Other financing activities	(7.5)	(14.1)
Cash used for financing activities	(478.5)	(502.8)
Effect of exchange rate changes on cash	(25.3)	27.3
(Decrease) increase in cash, cash equivalents, and restricted cash	(179.3)	209.2
Cash, cash equivalents, and restricted cash at beginning of period	679.4	730.4
Cash, cash equivalents, and restricted cash at end of period	500.1	939.6
Components of cash, cash equivalents, and restricted cash:
Cash and cash equivalents	482.9	913.8
Restricted cash, current (Other current assets)	8.6	6.9
Restricted cash, noncurrent (Other assets)	8.6	18.9
Total cash, cash equivalents, and restricted cash	$ 500.1	$ 939.6