Discontinued Operations (Narrative) (Details) $ / shares in Units, € in Millions, £ in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2013 GBP (£)	Dec. 31, 2013 USD ($)	Sep. 30, 2013 USD ($) $ / shares	Jun. 30, 2012 EUR (€)	Jun. 30, 2012 USD ($) $ / shares	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of discontinued operations						$ 0.0	$ 0.0
Liabilities of discontinued operations						$ 0.0	$ 0.0
European Homecare Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business				€ 590	$ 777.0
Gain on sale of business, before tax					207.4
Gain on sale of business, after-tax					$ 150.3
Gain on sale of business, per share | $ / shares					$ 0.7
U K and Ireland Homecare Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business	£ 6.1	$ 9.8
Gain on sale of business, after-tax		$ 2.4
Impairment charge, before tax			$ 18.7		$ 33.5
Impairment charge, after-tax			$ 13.6		$ 29.5
Impairment charge, per share | $ / shares			$ 0.06		$ 0.14