Represents maximum amount of shares authorized for repurchases under the Anti-Dilutive Share Repurchase Program.

No definition available.

Name:	r_MaximumNumberOfShareRepurchasesAuthorization
Namespace Prefix:	r_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_AcceleratedShareRepurchasesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

+ Details

Name:	us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Share Repurchase Programs (Details) (USD $)	3 Months Ended		9 Months Ended
Share Repurchase Programs (Details) (USD $)	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accelerated Share Repurchases [Line Items]
Common stock repurchases			$ (92,343,000)
December 2013 Anti-Dilutive Share Repurchase Program [Member]
Accelerated Share Repurchases [Line Items]
Maximum number of share repurchases authorization (no more than 2 million)	2,000,000		2,000,000
Repurchased and retired shares		0		0
Common stock repurchases	(12,900,000)	0	(92,300,000)	0
Common Stock [Member]
Accelerated Share Repurchases [Line Items]
Repurchased and retired shares			1,170,123.000
Common stock repurchases			$ (585,000)
Common Stock [Member] \| December 2013 Anti-Dilutive Share Repurchase Program [Member]
Accelerated Share Repurchases [Line Items]
Repurchased and retired shares	143,051		1,170,123