Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 29, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 123.0	$ 143.7
Goodwill [Line Items]
Goodwill	123.0	143.7
Trifleet Leasing Holding B.V.
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	43.8		$ 57.0
Goodwill [Line Items]
Goodwill	43.8		$ 57.0
Goodwill, Purchase Accounting Adjustments	13.2
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	58.6	62.9
Goodwill [Line Items]
Goodwill	58.6	62.9
Other Business Segments [Member]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	40.6	57.0
Goodwill [Line Items]
Goodwill	$ 40.6	$ 57.0