REVENUE EARNING EQUIPMENT Recognized Gains on Used Vehicles (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue Earning Equipment [Abstract]
Gains on vehicle sales, net	$ (8,520)	$ (11,940)	$ (22,670)	$ (34,615)
Losses from fair value adjustments	11,532	9,213	39,104	46,430
Used vehicle sales, net	$ 3,012	$ (2,727)	$ 16,434	$ 11,815

Represents fair value adjustments for all vehicles held for sale throughout the period for which fair value was less than the carrying value. Losses are presented within Depreciation Expense in the Consolidated Statements of Earnings.

No definition available.

Name:	r_AssetsAtFairValueLosses
Namespace Prefix:	r_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration