XML 45 R14.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Goodwill | 12 Months Ended
--- | ---
Dec. 31, 2019
Goodwill. |
Goodwill | Note 6. Goodwill ​ The changes in the carrying amount of goodwill are as follows: ​
​ | ​ | ​
​ | (in millions)
​ | ​ | ​
Balance at January 1, 2017 | $ | 1,827.4
Acquisitions | ​ | 10.3
Effect of foreign currency translation | ​ | 4.9
Balance at December 31, 2017 | ​ | 1,842.6
Acquisitions | ​ | 33.8
Effect of foreign currency translation | ​ | (5.6)
Balance at December 31, 2018 | ​ | 1,870.8
Acquisitions | ​ | 131.8
Purchase price allocation adjustments | ​ | (1.9)
Effect of foreign currency translation | ​ | 3.1
Balance at December 31, 2019 | $ | 2,003.8
​ The preliminary tax deductible goodwill from our 2019 acquisition is $131.0 million. ​ We had no accumulated impairment losses related to goodwill at December 31, 2019.

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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
Name: | us-gaap_GoodwillDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration