XML 51 R10.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Goodwill | 9 Months Ended
--- | ---
Sep. 30, 2015
Goodwill. |
Goodwill | 4. Goodwill The change in the carrying amount of goodwill is as follows:
|  | (in millions) |
Balance at January 1, 2015 |  | $ | 1,736.4 |
Acquisitions |  | 0.4 |
Purchase price allocation adjustment |  | (0.4 | )
Effect of foreign currency translation |  | (9.4 | )
Balance at September 30, 2015 |  | $ | 1,727.0 |
We had no accumulated impairment losses related to goodwill at September 30, 2015.

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

X
- Definition The entire disclosure for goodwill. + References No definition available. + Details
Name: | us-gaap_GoodwillDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration