SEC Filings

Form	Description	Filing date	View	Filer
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 11, 2000	View HTML	WELLINGTON MANAGEMENT GROUP LLP
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 14, 2001	View HTML	PACIFIC FINANCIAL RESEARCH INC
SC 13G	A statement of beneficial ownership of common stock by certain persons	May 04, 2001	View HTML	PACIFIC FINANCIAL RESEARCH INC
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 14, 2002	View HTML	PACIFIC FINANCIAL RESEARCH INC
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 14, 1994	View HTML	GEICO CORP
SC 13G	A statement of beneficial ownership of common stock by certain persons	Apr 12, 2002	View HTML	Invesco Canada Ltd
SC 13G	A statement of beneficial ownership of common stock by certain persons	Oct 25, 2002	View HTML	PACIFIC FINANCIAL RESEARCH INC
SC 13G	A statement of beneficial ownership of common stock by certain persons	Jun 09, 1994	View HTML	FMR LLC
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 10, 2006	View HTML	CAPITAL RESEARCH & MANAGEMENT CO
SC 13G	A statement of beneficial ownership of common stock by certain persons	Feb 09, 2007	View HTML	GOLDMAN SACHS ASSET MANAGEMENT, L.P.

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