XML 22 R28.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Related Party Transactions (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Related Party Transactions [Abstract] |
Schedule of related party transactions | A summary of the aforementioned significant related party transactions for the years ended December 31, 2019, 2018 and 2017 is as follows:
| Year Ended December 31,
| 2019 |  | 2018 |  | 2017
Net sales to Glencore | $ | 1,191.6 |  |  | $ | 1,204.5 |  |  | $ | 1,198.1 |
Purchases from Glencore | 323.9 |  |  | 319.6 |  |  | 253.0 |
Purchases from BHH* | 17.8 |  |  | 28.4 |  |  | 15.8 |
* Represents purchases prior to the sale of our 40% interest in BHH on May 22, 2019.

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

X
- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration