Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Operating activities:
Net income	$ 737.0	$ 697.8	$ 464.3
Income from discontinued operations	0	(0.7)	(23.9)
Income from continuing operations	737.0	697.1	440.4
Adjustments to arrive at cash provided by operating activities:
Depreciation	103.9	96.5	95.7
Amortization of intangible assets	34.7	34.8	31.6
Share-based compensation expense	43.5	39.5	36.3
Retirement benefit expense	105.9	100.9	89.1
Pension trust contributions	(341.1)	(184.7)	(181.2)
Deferred income taxes	82.2	46.5	57.5
Net (gain) loss on dispositions of securities and property	1.0	(0.9)	5.5
Income tax benefit from the exercise of stock options	0.7	3.1	0.6
Excess income tax benefit from share-based compensation	(18.5)	(38.1)	(16.1)
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency adjustments:
Receivables	(135.7)	(207.2)	(131.7)
Inventories	21.4	(41.9)	(166.4)
Accounts payable	90.2	15.0	117.2
Compensation and benefits	(67.0)	16.9	143.9
Income taxes	35.7	49.2	(22.7)
Other assets and liabilities	24.8	17.0	(5.7)
Cash provided by operating activities	718.7	643.7	494.0
Investing activities:
Capital expenditures	(139.6)	(120.1)	(99.4)
Acquisition of businesses, net of cash acquired	(16.2)	(45.9)
Purchases of short-term investments	(487.5)
Proceeds from maturities of short-term investments	137.5
Proceeds from sales of property and investments	2.6	5.1	10.4
Cash used for investing activities	(503.2)	(160.9)	(89.0)
Financing activities:
Net repayments of short-term debt	157.0
Cash dividends	(247.4)	(211.0)	(173.6)
Purchases of treasury stock (See Note 10 for non-cash financing activities)	(259.4)	(298.7)	(118.8)
Proceeds from the exercise of stock options	49.0	174.0	35.2
Excess income tax benefit from share-based compensation	18.5	38.1	16.1
Other financing activities	(0.4)	(0.3)	(0.3)
Cash used for financing activities	(282.7)	(297.9)	(241.4)
Effect of exchange rate changes on cash	(16.8)	(5.8)	6.8
Cash (used for) provided by continuing operations	(84.0)	179.1	170.4
Discontinued operations:
Cash used for discontinued operating activities	(1.0)	(3.6)	(0.8)
Cash used for discontinued operations	(1.0)	(3.6)	(0.8)
(Decrease) Increase in cash	(85.0)	175.5	169.6
Cash and cash equivalents at beginning of year	988.9	813.4	643.8
Cash and cash equivalents at end of year	$ 903.9	$ 988.9	$ 813.4