SEC Filings

Form	Description	Filing date	View	Filer
SC 13G	A statement of beneficial ownership of common stock by certain persons	Jun 09, 1994	View HTML 0000315066-94-001257.pdf	FMR LLC
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 10, 2006	View HTML 0000017283-06-000252.pdf	CAPITAL RESEARCH & MANAGEMENT CO
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 09, 2007	View HTML 0000769993-07-000409.pdf	GOLDMAN SACHS ASSET MANAGEMENT, L.P.
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 14, 2007	View HTML 0000902219-07-000873.pdf 0000902219-07-000873.xls	WELLINGTON MANAGEMENT GROUP LLP
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 14, 2007	View HTML 0000064782-07-000056.pdf	MELLON FINANCIAL CORP
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 05, 2008	View HTML 0000913414-08-004158.pdf	BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.
SC 13G	A statement of beneficial ownership of common stock by certain persons	Jan 08, 2010	View HTML 0001086364-10-000350.pdf	BlackRock Inc.
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 09, 2010	View HTML 0001422848-10-000058.pdf	Capital Research Global Investors
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 14, 2012	View HTML 0000902219-12-000280.pdf 0000902219-12-000280.xls
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 14, 2012	View HTML 0000315066-12-002788.pdf

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