XML 80 R87.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Assets Held for Sale (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013
--- | ---
Long Lived Assets Held-for-sale [Line Items] |  |
Assets held for sale | $ 47.0 | [1]
Arctic Platinum [Member] |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Assets held for sale | 31.0 |
Yanfolila |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Assets held for sale | $ 16.0 | [1]
[1] | Refer to note 4 for details on the impairments of this asset.

X
- Definition Long-lived assets that are held for sale apart from normal operations and anticipated to be sold in less than one year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759 + Details
Name: | us-gaap_AssetsHeldForSaleLongLived
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LongLivedAssetsHeldForSaleLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration