Railcar Leasing and Management Services Group (Details 5) - Railcar Leasing and Management Services Group $ in Millions	Dec. 31, 2015 USD ($)
Railroad transportation equipment leased from independent owner trusts
Future operating lease obligations of Trusts’ railcars
2016	$ 29.3
2017	29.2
2018	29.2
2019	28.8
2020	26.1
Thereafter	144.0
Total	286.6
Future contractual minimum rental revenues of Trusts’ railcars
2016	48.3
2017	39.6
2018	29.9
2019	20.7
2020	12.5
Thereafter	22.9
Total	173.9
Other Third Parties
Future operating lease obligations of Trusts’ railcars
2016	12.8
2017	12.1
2018	12.0
2019	9.5
2020	7.7
Thereafter	21.1
Total	75.2
Future contractual minimum rental revenues of Trusts’ railcars
2016	19.5
2017	12.6
2018	7.4
2019	4.0
2020	2.1
Thereafter	4.1
Total	$ 49.7