Goodwill (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 29, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 143.7		$ 81.5
Goodwill [Line Items]
Goodwill	143.7		81.5
Trifleet Leasing Holding B.V.
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill		$ 57.0
Goodwill [Line Items]
Goodwill		$ 57.0
Rail North America [Member]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	23.8		23.8
Goodwill [Line Items]
Goodwill	23.8		23.8
Rail International [Member]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	62.9		57.7
Goodwill [Line Items]
Goodwill	$ 62.9		57.7
Other Business Segments [Member]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill			0.0
Goodwill [Line Items]
Goodwill			$ 0.0