Business Combinations (Supplemental Pro-Forma Information) (Details) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Business Combinations
Net sales	$ 1,171.9	$ 1,148.6	$ 3,517.8	$ 3,365.2
Net earnings	$ 28.5	$ 43.0	$ 183.3	$ 221.1
Basic earnings per share	$ 0.52	$ 0.79	$ 3.34	$ 4.01
Diluted earnings per share	$ 0.51	$ 0.77	$ 3.29	$ 3.95