Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating activities:
Net income	$ 378.7	$ 238.9
Adjustments to arrive at cash provided by (used for) operating activities
Depreciation	29.0	31.4
Amortization of intangible assets	28.8	27.5
Change in fair value of investments	(140.6)	(7.6)
Share-based compensation expense	18.4	15.5
Retirement benefit (income) expense	(1.7)	16.2
Pension contributions	(7.0)	(7.5)
Net loss on disposition of property	0.9	0.4
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments
Receivables	(32.6)	(77.7)
Inventories	(175.3)	(78.3)
Accounts payable	(29.8)	(29.7)
Contract liabilities	52.7	27.1
Compensation and benefits	(40.2)	(135.3)
Income taxes	73.1	(37.6)
Other assets and liabilities	(88.1)	4.7
Cash provided by (used for) operating activities	66.3	(12.0)
Investing activities:
Capital expenditures	(24.2)	(37.1)
Acquisition of businesses, net of cash acquired	(133.8)	(10.5)
Purchases of investments	0.0	(1.5)
Proceeds from sale of investments	144.8	0.0
Other investing activities	(5.1)	0.4
Cash used for investing activities	(18.3)	(48.7)
Financing activities:
Net issuance of short-term debt	206.9	99.0
Repayment of short-term debt	(18.8)	0.0
Cash dividends	(135.9)	(130.1)
Purchases of treasury stock	(156.8)	(49.8)
Proceeds from the exercise of stock options	13.4	31.8
Other financing activities	(14.1)	(2.9)
Cash used for financing activities	(105.3)	(52.0)
Effect of exchange rate changes on cash	18.0	(9.5)
Decrease in cash, cash equivalents, and restricted cash	(39.3)	(122.2)
Cash, cash equivalents, and restricted cash at beginning of period	507.9	679.4
Cash, cash equivalents, and restricted cash at end of period	468.6	557.2
Components of cash, cash equivalents, and restricted cash
Cash and cash equivalents	460.0	540.0
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	$ 468.6	$ 557.2