SEC Filings

Form	Description	Filer	Filing date
SC 13G/A	An amendment to the SC 13G filing	COOK BRIAN R	Feb 14, 2001
SC 13G/A	An amendment to the SC 13G filing	WELLS FARGO & CO/MN	Apr 19, 2001
SC 13G/A	An amendment to the SC 13G filing	COOK BRIAN R	Feb 14, 2002
SC 13G/A	An amendment to the SC 13G filing	TIMON PHILIP C	Jan 8, 2007
SC 13G/A	An amendment to the SC 13G filing	SNOW CAPITAL MANAGEMENT LP	Feb 5, 2007
SC 13G/A	An amendment to the SC 13G filing	WADDELL & REED FINANCIAL INC	Feb 9, 2007
SC 13G/A	An amendment to the SC 13G filing	PAR INVESTMENT PARTNERS LP	Feb 15, 2007
SC 13G/A	An amendment to the SC 13G filing	SNOW CAPITAL MANAGEMENT LP	Aug 3, 2007
SC 13G/A	An amendment to the SC 13G filing	SNYDER CAPITAL MANAGEMENT L P	Feb 14, 2008
SC 13G/A	An amendment to the SC 13G filing	PUTNAM LLC	Feb 13, 2009