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Railcar Leasing and Management Services Group (Details 4) - Railcar Leasing and Management Services Group - Railroad Transportation Equipment
$ in Millions
Dec. 31, 2016
USD ($)
Property Subject to or Available for Operating Lease [Line Items]  
2017 $ 521.5
2018 436.9
2019 356.1
2020 277.5
2021 177.2
Thereafter 336.4
Total $ 2,105.6