Investments in Affiliated Companies (Future Lease Receipts) (Details 7) $ in Millions	Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
2016	$ 920.1
2017	768.6
2018	636.9
2019	504.4
2020	378.6
Years thereafter	715.9
Total future receipts from leases	3,924.5	[1]
RRPF Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
2016	324.5
2017	303.1
2018	263.5
2019	230.3
2020	189.5
Years thereafter	603.6
Total future receipts from leases	1,914.5
RRPF Joint Ventures [Member] | Rolls-Royce [Member]
Schedule of Equity Method Investments [Line Items]
2016	165.6
2017	159.7
2018	156.2
2019	136.6
2020	107.1
Years thereafter	388.5
Total future receipts from leases	1,113.7
RRPF Joint Ventures [Member] | Third Parties [Member]
Schedule of Equity Method Investments [Line Items]
2016	158.9
2017	143.4
2018	107.3
2019	93.7
2020	82.4
Years thereafter	215.1
Total future receipts from leases	$ 800.8

[1] (1) The future contractual receipts due under our full-service operating leases include executory costs such as maintenance, car taxes, and insurance.