Restructuring and Other Charges (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring charges, net:
Restructuring and other charges, net	$ 8,070	$ 3,655	$ 0
Employee severance and benefits [Member]
Restructuring charges, net:
Restructuring and other charges, net	7,205	3,162	0
Contract termination costs [Member]
Restructuring charges, net:
Restructuring and other charges, net	$ 865	$ 493	$ 0

The aggregate amount provided for estimated restructuring charges, asset impairments and other charges during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

No definition available.

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