Condensed Consolidated Statement of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Sales
Products and solutions	$ 1,466.2	$ 1,414.5	$ 4,163.9	$ 4,154.7
Services	158.0	145.9	472.3	440.7
Total sales	1,624.2	1,560.4	4,636.2	4,595.4
Cost of sales
Products and solutions	(859.6)	(823.9)	(2,428.6)	(2,416.2)
Services	(111.7)	(105.0)	(331.0)	(310.7)
Total cost of sales	(971.3)	(928.9)	(2,759.6)	(2,726.9)
Gross profit	652.9	631.5	1,876.6	1,868.5
Selling, general and administrative expenses	(383.7)	(369.8)	(1,134.0)	(1,105.3)
Other income (expense)	3.5	(1.7)	5.1	(7.0)
Interest expense	(15.3)	(15.2)	(46.0)	(45.2)
Income before taxes	257.4	244.8	701.7	711.0
Income tax provision	(53.7)	(54.1)	(160.7)	(169.2)
Net income	$ 203.7	$ 190.7	$ 541.0	$ 541.8
Earnings Per Share, Basic [Abstract]
Basic	$ 1.46	$ 1.34	$ 3.88	$ 3.81
Earnings Per Share, Diluted [Abstract]
Diluted	$ 1.45	$ 1.33	$ 3.83	$ 3.76
Cash dividends per share	$ 1.04	$ 0.895	$ 1.98	$ 1.745
Weighted average outstanding shares:
Basic	138.9	141.7	139.4	142.0
Diluted	140.4	143.5	141.1	144.0