Condensed Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Net income	$ 214.7	$ 185.5
Adjustments to arrive at cash provided by operating activities:
Depreciation	32.5	33.7
Amortization of intangible assets	7.9	7.6
Share-based compensation expense	10.7	10.8
Retirement benefit expense	43.0	39.2
Pension contributions	(13.5)	(10.6)
Net loss on disposition of property	0.3	0.0
Excess income tax benefit from share-based compensation	0.0	(0.7)
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments:
Receivables	6.0	15.1
Inventories	(27.9)	(32.7)
Accounts payable	(10.4)	(19.0)
Advance payments from customers and deferred revenue	16.8	18.1
Compensation and benefits	22.4	(80.6)
Income taxes	22.3	11.3
Other assets and liabilities	(14.0)	7.1
Cash provided by operating activities	310.8	184.8
Investing activities:
Capital expenditures	(39.4)	(40.2)
Acquisition of businesses, net of cash acquired	(1.1)	0.0
Purchases of short-term investments	(191.3)	(312.4)
Proceeds from maturities of short-term investments	193.9	261.1
Proceeds from sale of property	0.3	0.2
Cash used for investing activities	(37.6)	(91.3)
Financing activities:
Net (repayment) issuance of short-term debt	(40.0)	161.0
Cash dividends	(97.5)	(95.6)
Purchases of treasury stock	(82.0)	(127.4)
Proceeds from the exercise of stock options	67.6	4.0
Excess income tax benefit from share-based compensation	0.0	0.7
Cash used for financing activities	(151.9)	(57.3)
Effect of exchange rate changes on cash	(53.1)	(14.3)
Increase in cash and cash equivalents	68.2	21.9
Cash and cash equivalents at beginning of period	1,526.4	1,427.3
Cash and cash equivalents at end of period	$ 1,594.6	$ 1,449.2