Discontinued Operations (Schedule Of Discontinued Operations Income Statement) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Discontinued Operations [Abstract]
Net sales	$ 86.6	$ 255.3	$ 301.0	$ 476.9
Post separation costs	(12.3)		(15.0)
Operating (loss) profit	(1.1)	60.6	31.6	113.8
(Loss) earnings before income taxes	(1.1)	60.6	31.6	113.8
Income taxes	(5.8)	(21.8)	(17.4)	(41.0)
(Loss) earnings from discontinued operations, net	$ (6.9)	$ 38.8	$ 14.2	$ 72.8