SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000902219-12-000476
Form type: SC 13G
Filer: WELLINGTON MANAGEMENT CO LLP
CIK: CIK 902219
Filed: Feb 14, 2012
Reporting period: Dec 31, 2011
Description: Passive 5%+ stake

Documents

0000902219-12-000476-index.htm

Complete submission

0000902219-12-000476.txt

directory listing

Filed by

WELLINGTON MANAGEMENT CO LLP