XML 52 R38.htm IDEA: XBRL DOCUMENT
v3.22.4

Stock-Based Compensation Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Stock-Based Compensation Plans |
Summary of the status of the Company's restricted stock units and changes during the year | A summary of the status of our unvested RSUs and PSUs as of December 31, 2022 and changes during the year then ended is as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | RSU and PSU | ​ | Grant Date
​ | ​ | Aggregate Units | ​ | Fair Value
Unvested at January 1, 2022 | ​ | 831,597 | ​ | $ | 105.12
Granted | ​ | 305,249 | ​ | ​ | 187.31
Vested | ​ | (518,743) | ​ | ​ | 84.82
Cancelled or forfeited | ​ | (36,091) | ​ | ​ | 132.95
Unvested at December 31, 2022 | ​ | 582,012 | ​ | $ | 164.60
​

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock and restricted stock units. + References No definition available. + Details
Name: | rs_ScheduleOfNonvestedRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | rs_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration