SEC Filings

Filing date	Form	Description	Filer	View
Feb 11, 1999	SC 13G	A statement of beneficial ownership of common stock by certain persons	DIMENSIONAL FUND ADVISORS LP	View HTML 0000354204-99-000312.pdf
Feb 04, 2008	SC 13G	A statement of beneficial ownership of common stock by certain persons	INVESTMENT COUNSELORS OF MARYLAND LLC	View HTML 0000051964-08-000005.pdf
Feb 08, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons		View HTML 0000932471-12-002032.pdf 0000932471-12-002032.xls
Jan 31, 1997	SC 13G	A statement of beneficial ownership of common stock by certain persons		View HTML 0000950170-97-000077.pdf
Feb 12, 2007	SC 13G	A statement of beneficial ownership of common stock by certain persons	RENAISSANCE TECHNOLOGIES LLC	View HTML 0001193805-07-000331.pdf
Feb 05, 2008	SC 13G	A statement of beneficial ownership of common stock by certain persons	BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.	View HTML 0000913414-08-004061.pdf
Feb 05, 1996	SC 13G	A statement of beneficial ownership of common stock by certain persons		View HTML 0000950170-96-000032.pdf
Feb 16, 1999	SC 13G	A statement of beneficial ownership of common stock by certain persons		View HTML 0000950170-99-000222.pdf
Jan 28, 2005	SC 13G	A statement of beneficial ownership of common stock by certain persons	ROYCE & ASSOCIATES LLC	View HTML 0000906304-05-000109.pdf
Feb 15, 1996	SC 13G	A statement of beneficial ownership of common stock by certain persons	NATIONSBANK CORP/FA	View HTML 0000912462-96-000005.pdf

Data provided by Kaleidoscope.