Revenue Earning Equipment - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Property Subject to or Available for Operating Lease [Line Items] | |||
Capitalized cost of refurbishments | $ 0.5 | $ 6.5 | $ 40.1 |
Depreciation of revenue earning equipment | 378.9 | 350.5 | 343.7 |
Revenue earning equipment, net | 2,374.6 | 2,390.0 | |
Impact of Depreciation Rate Changes | |||
Property Subject to or Available for Operating Lease [Line Items] | |||
Depreciation of revenue earning equipment | $ 18.0 | $ 9.4 | $ 1.9 |