Condensed Consolidated Statement of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Operating activities:
Net income	$ 214.2	$ 198.1
Adjustments to arrive at cash provided by operating activities:
Depreciation	33.9	28.4
Amortization of intangible assets	6.7	7.5
Share-based compensation expense	10.8	11.5
Retirement benefit expense	36.1	33.3
Pension contributions	(8.6)	(11.2)
Net loss on disposition of property	0.2	0
Excess income tax benefit from share-based compensation	(4.4)	(10.7)
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments:
Receivables	73.2	27.4
Inventories	(24.3)	(33.6)
Accounts payable	(10.4)	(18.3)
Advance payments from customers and deferred revenue	7.5	13.1
Compensation and benefits	(99.2)	(67.6)
Income taxes	46.9	27.6
Other assets and liabilities	(14.4)	(2.0)
Cash provided by operating activities	268.2	203.5
Investing activities:
Capital expenditures	(40.0)	(35.6)
Acquisition of business, net of cash acquired	(21.2)	(68.1)
Purchases of short-term investments	(171.6)	(87.5)
Proceeds from maturities of short-term investments	175.7	95.5
Proceeds from sale of property	0.1	0.2
Other investing activities	0	(3.4)
Cash used for investing activities	(57.0)	(98.9)
Financing activities:
Net issuance of short-term debt	183.0	72.0
Cash dividends	(88.1)	(80.5)
Purchases of treasury stock	(168.4)	(110.0)
Proceeds from the exercise of stock options	4.7	48.1
Excess income tax benefit from share-based compensation	4.4	10.7
Cash used for financing activities	(64.4)	(59.7)
Effect of exchange rate changes on cash	(46.2)	0.2
Increase in cash and cash equivalents	100.6	45.1
Cash and cash equivalents at beginning of period	1,191.3	1,200.9
Cash and cash equivalents at end of period	$ 1,291.9	$ 1,246.0