Condensed Consolidated Statement of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating activities:
Net income	$ 378.4	$ 337.3
Adjustments to arrive at cash provided by operating activities:
Depreciation	58.5	55.1
Amortization of intangible assets	15.8	16.3
Share-based compensation expense	21.9	21.2
Retirement benefit expense	66.5	85.3
Pension trust contributions	(25.1)	(20.1)
Net loss on disposition of property	0	(0.1)
Income tax benefit from the exercise of stock options	0.1	1.9
Excess income tax benefit from share-based compensation	(18.6)	(21.0)
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments:
Receivables	(10.9)	39.7
Inventories	(57.1)	(19.8)
Accounts payable	12.1	(73.7)
Advance payments from customers and deferred revenue	39.5	40.1
Compensation and benefits	(32.9)	(66.8)
Income taxes	(37.3)	17.4
Other assets and liabilities	(4.6)	(43.1)
Cash provided by operating activities	406.3	369.9
Investing activities:
Capital expenditures	(58.3)	(55.0)
Acquisition of businesses, net of cash acquired	(81.5)	(84.8)
Purchases of short-term investments	(310.8)	(188.6)
Proceeds from maturities of short-term investments	197.8	175.0
Proceeds from sale of property	0.2	0.2
Other investing activities	(3.4)	(1.9)
Cash used for investing activities	(256.0)	(155.1)
Financing activities:
Proceeds from (Repayments of) Short-term Debt	163.5	79.0
Cash dividends	(160.9)	(131.6)
Purchases of treasury stock	(217.8)	(211.1)
Proceeds from the exercise of stock options	83.9	104.4
Excess income tax benefit from share-based compensation	18.6	21.0
Cash used for financing activities	(112.7)	(138.3)
Effect of exchange rate changes on cash	1.3	(6.3)
Cash provided by continuing operations	38.9	70.2
Discontinued operations:
Cash used for discontinued operating activities	0	(7.0)
Cash used for discontinued operations	0	(7.0)
Increase in cash and cash equivalents	38.9	63.2
Cash and cash equivalents at beginning of period	1,200.9	903.9
Cash and cash equivalents at end of period	$ 1,239.8	$ 967.1