Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Discontinued Operations [Abstract]
Disposal Group, Including Discontinued Operation, Revenue	$ 11.6	$ 419.2	$ 40.9	$ 834.5
Disposal Group, Including Discontinued Operation, Costs of Goods Sold	11.4	416.8	40.2	824.8
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)	0.2	2.4	0.7	9.7
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	(0.2)	(0.2)	(0.1)	4.5
Discontinued Operation, Tax Effect of Discontinued Operation	0	0	0	(1.5)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (0.2)	$ (0.2)	$ (0.1)	$ 3.0