Loans (Details) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2014 Aae Cargo Ag [Member] USD ($)	Dec. 31, 2014 Aae Cargo Ag [Member] EUR (€)	Dec. 31, 2013 Aae Cargo Ag [Member] USD ($)	Dec. 31, 2013 Aae Cargo Ag [Member] EUR (€)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio proceeds and other	$ 264.0	$ 385.3	$ 288.9	$ 77.0	€ 68.2	$ 91.1	€ 67.5
Portfolio Proceeds, Principal				76.2	67.5
Portfolio Proceeds, Interest				0.8	0.7
2014	86.4
2015	4.3
2016	2.0
2017	4.6
2018	0
Thereafter	0
Loans receivables, outstanding	$ 97.3	$ 122.7