The SEC announced that they have upgraded the EDGAR system to support the 2015 US GAAP and EXCH taxonomies. Their announcement suggests that filers transition to the 2015 taxonomies for the earliest reporting period that ends after March 9, 2015 but not for reporting periods that end before March 9, 2015. They also indicated that they do not anticipate removing the 2013 US GAAP and EXCH taxonomies before June 2015.
See more details for the taxonomy release
See the announcement and listing of supported taxonomies: http://www.sec.gov/info/edgar/edgartaxonomies.shtml
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Structured Data Case Studies: Unlocking the Power of XBRL for Next-Generation Financial Analysis
Public Review for Version 30 of DQC Rules
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