Discontinued Operations (Narrative) (Details) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2015 item	Dec. 11, 2014 USD ($)	Aug. 31, 2014 USD ($)	Sep. 30, 2013 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax benefit	$ 0.7	$ 43.4	$ 0.0		$ 44.1	$ 1.2
DLW [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax benefit	0.7				44.1
Number of manufacturing plants sold to third party | item							2
Deconsolidation net liability	$ 12.1				$ 12.1			$ 12.9
Assets removed from balance sheet								151.9
Liabilities removed from balance sheet								$ 164.8
AIP [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax benefit						$ 1.2
Multi-employer pension plan withdrawal liability				$ 10.0					$ 10.3	$ 7.5
Multi-employer pension plan, additional withdrawal liability			$ 0.3	$ 3.3