Discontinued Operations (Schedule Of Assets And Liabilities Of Discontinued Operations) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Sep. 30, 2011	Mar. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash items	$ 13.5		$ 0.3
Total Current Assets	317.3	243.2
Total Noncurrent Assets	275.0	288.9
Total Current Liabilities	52.5	43.3
Total Noncurrent Liabilities	24.0	24.3
Homecare [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash items	13.5	1.1
Trade receivables, net	272.6	213.4
Inventories	11.1	11.2
Other current assets	20.1	17.5
Total Current Assets	317.3	243.2
Plant and equipment, net	177.5	189.3
Goodwill	96.6	96.2
Other noncurrent assets	0.9	3.4
Total Noncurrent Assets	275.0	288.9
Payables and accrued liabilities	41.6	42.1
Accrued income taxes	10.9	0.5
Short-term borrowings		0.7
Total Current Liabilities	52.5	43.3
Other noncurrent liabilities	12.4	12.4
Deferred income taxes	11.6	11.9
Total Noncurrent Liabilities	$ 24.0	$ 24.3