SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000052388-12-000046
Form type: SC 13G
Filer: AMERICAN CENTURY INVESTMENT MANAGEMENT INC
CIK: CIK 52388
Filed: Dec 07, 2012
Reporting period: Nov 30, 2012
Description: Passive 5%+ stake

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0000052388-12-000046-index.htm

Complete submission

0000052388-12-000046.txt

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Filed by

AMERICAN CENTURY INVESTMENT MANAGEMENT INC