XML 42 R33.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Revenues (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Revenue |
Schedule of disaggregation of revenue | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year Ended December 31,
​ | 2019 | ​ | 2018 | ​ | 2017
​ | (in millions)
Carbon steel | $ | 5,792.9 | ​ | $ | 6,285.8 | ​ | $ | 5,189.6
Aluminum | ​ | 2,151.9 | ​ | ​ | 2,210.9 | ​ | ​ | 1,916.9
Stainless steel | ​ | 1,578.0 | ​ | ​ | 1,636.1 | ​ | ​ | 1,386.3
Alloy | ​ | 652.1 | ​ | ​ | 680.7 | ​ | ​ | 587.8
Toll processing and logistics | ​ | 450.7 | ​ | ​ | 415.3 | ​ | ​ | 362.1
Other and eliminations | ​ | 348.2 | ​ | ​ | 305.7 | ​ | ​ | 278.3
Total | $ | 10,973.8 | ​ | $ | 11,534.5 | ​ | $ | 9,721.0

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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