Allowance for Losses (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Changes in the allowance for possible losses
Beginning balance	$ 4.6	$ 11.8
(Reversal) provision for losses	0.7	(0.6)
Charges to allowance	0	(7.8)
Recoveries and other, including foreign exchange adjustments	(0.1)	1.2
Ending balance	$ 5.2	$ 4.6