XML 40 R19.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Goodwill (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Goodwill. |
Schedule of changes in the carrying amount of goodwill |
|  | (in millions) |
Balance at December 31, 2013 |  | $ | 1,691.6 |
Purchase price allocation adjustment |  | 1.2 |
Effect of foreign currency translation |  | (2.5 | )
Balance at March 31, 2014 |  | $ | 1,690.3 |

X
- Details
Name: | rs_GoodwillDisclosureAbstract
Namespace Prefix: | rs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration