Condensed Consolidated Statement of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Sales
Products and solutions	$ 1,414.5	$ 1,370.0	$ 4,154.7	$ 3,935.1
Services	145.9	146.2	440.7	411.0
Total sales	1,560.4	1,516.2	4,595.4	4,346.1
Cost of sales
Products and solutions	(823.9)	(810.1)	(2,416.2)	(2,338.5)
Services	(105.0)	(99.3)	(310.7)	(280.4)
Total cost of sales	(928.9)	(909.4)	(2,726.9)	(2,618.9)
Gross profit	631.5	606.8	1,868.5	1,727.2
Selling, general and administrative expenses	(369.8)	(370.0)	(1,105.3)	(1,073.1)
Other income (expense)	(1.7)	(0.9)	(7.0)	2.3
Interest expense	(15.2)	(14.7)	(45.2)	(44.9)
Income from continuing operations before income taxes	244.8	221.2	711.0	611.5
Income tax provision	(54.1)	(42.4)	(169.2)	(116.2)
Income from continuing operations	190.7	178.8	541.8	495.3
Income from discontinued operations	0	0.7	0	0.7
Net income	$ 190.7	$ 179.5	$ 541.8	$ 496.0
Earnings Per Share, Basic [Abstract]
Continuing operations	$ 1.34	$ 1.24	$ 3.81	$ 3.46
Discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.01
Net income	$ 1.34	$ 1.25	$ 3.81	$ 3.47
Earnings Per Share, Diluted [Abstract]
Continuing operations	$ 1.33	$ 1.22	$ 3.76	$ 3.40
Discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.00
Net income	$ 1.33	$ 1.23	$ 3.76	$ 3.40
Cash dividends per share	$ 0.895	$ 0.775	$ 1.745	$ 1.475
Weighted average outstanding shares:
Basic	141.7	143.4	142.0	142.8
Diluted	143.5	145.9	144.0	145.5