Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income	$ 756.3	$ 737.0	$ 697.8
Income from discontinued operations	0	0	(0.7)
Income from continuing operations	756.3	737.0	697.1
Adjustments to arrive at cash provided by operating activities:
Depreciation	113.8	103.9	96.5
Amortization of intangible assets	31.4	34.7	34.8
Share-based compensation expense	41.1	43.5	39.5
Retirement benefit expense	170.4	105.9	100.9
Pension trust contributions	(41.3)	(341.1)	(184.7)
Deferred income taxes	(6.5)	82.2	46.5
Net loss (gain) on disposition of property and investments	0.5	1.0	(0.9)
Income tax benefit from the exercise of stock options	2.1	0.7	3.1
Excess income tax benefit from share-based compensation	(31.9)	(18.5)	(38.1)
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency adjustments:
Receivables	(12.3)	(135.7)	(207.2)
Inventories	0.8	21.4	(41.9)
Accounts payable	3.3	90.2	15.0
Compensation and benefits	(8.5)	(67.0)	16.9
Income taxes	33.8	35.7	49.2
Other assets and liabilities	(38.2)	24.8	17.0
Cash provided by operating activities	1,014.8	718.7	643.7
Investing activities:
Capital expenditures	(146.2)	(139.6)	(120.1)
Acquisition of businesses, net of cash acquired	(84.8)	(16.2)	(45.9)
Purchases of short-term investments	(372.2)	(487.5)	0
Proceeds from maturities of short-term investments	350.0	137.5	0
Proceeds from sales of property and investments	0.5	2.6	5.1
Other investing activities	(4.1)	0	0
Cash used for investing activities	(256.8)	(503.2)	(160.9)
Financing activities:
Net repayments of short-term debt	22.0	157.0	0
Cash dividends	(276.3)	(247.4)	(211.0)
Purchases of treasury stock (See Note 10 for non-cash financing activities)	(402.7)	(259.4)	(298.7)
Proceeds from the exercise of stock options	172.3	49.0	174.0
Excess income tax benefit from share-based compensation	31.9	18.5	38.1
Other financing activities	(1.8)	(0.4)	(0.3)
Cash used for financing activities	(454.6)	(282.7)	(297.9)
Effect of exchange rate changes on cash	0.6	(16.8)	(5.8)
Cash provided by (used for) continuing operations	304.0	(84.0)	179.1
Discontinued operations:
Cash used for discontinued operating activities	(7.0)	(1.0)	(3.6)
Cash used for discontinued operations	(7.0)	(1.0)	(3.6)
(Decrease) increase in cash	297.0	(85.0)	175.5
Cash and cash equivalents at beginning of year	903.9	988.9	813.4
Cash and cash equivalents at end of year	$ 1,200.9	$ 903.9	$ 988.9