Loss from Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Discontinued European Operations [Member]	Mar. 31, 2012 Discontinued European Operations [Member]	Mar. 31, 2013 German CIT Operations [Member]	Mar. 31, 2012 German CIT Operations [Member]	Mar. 31, 2013 France Divestiture [Member]	Mar. 31, 2013 Poland Divestiture [Member]	Dec. 31, 2012 Morocco Divestiture [Member]
Discontinued operations [Line Items]
Loss from operations before tax	$ (18.1)	$ (4.3)
Loss on sale	(0.5)	0					0.1	0.4	0.3
Adjustments to contingencies of former operations	0	0.1
Income (loss) from discontinued operations before income taxes	(18.6)	(4.2)
Provision (credit) for income taxes	0.1	(0.3)
Loss from discontinued operations, net of tax	(18.7)	(3.9)
Revenues - disposal group			18.2	26.1	15.0	14.0
Losses from operations before tax					18.2	2.9
Termination benefits	$ 15.3