REVENUE EARNING EQUIPMENT Recognized Gains on Used Vehicles (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue Earning Equipment [Abstract]
Gains on vehicle sales, net	$ (7,988)	$ (10,344)	$ (14,150)	$ (22,675)
Losses from fair value adjustments	14,001	25,666	27,572	37,217
Used vehicle sales, net	$ 6,013	$ 15,322	$ 13,422	$ 14,542

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