| Filing |
Description |
Date Filed |
Size  |
|
| SC 14D1/A |
amended initial tender offer statement |
Nov 2, 1995 |
144.9 KB |
|
| 8-K |
current report |
Apr 27, 2012 |
46.9 KB |
|
| DEF 14A |
definitive proxy statement |
Mar 14, 2001 |
0.0 KB |
|
| 424B3 |
prospectus filed pursuant to rule 424 |
May 7, 2003 |
151.2 KB |
|
| SC TO-T/A |
other |
Jan 28, 2011 |
110.1 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 23, 2008 |
127.3 KB |
|
| 10-Q |
quarterly report |
Aug 11, 2003 |
164.8 KB |
|
| 8-K |
current report |
Feb 13, 2009 |
92.3 KB |
|
| 8-K |
current report |
Mar 14, 2001 |
0.0 KB |
|
| 8-K |
current report |
Jan 12, 2006 |
84.6 KB |
|
| 10-Q |
quarterly report |
May 10, 2006 |
190.3 KB |
|
| 10-Q |
quarterly report |
Aug 3, 2004 |
194.6 KB |
|
| 8-K |
current report |
Apr 19, 2012 |
102.6 KB |
|
| 8-K |
current report |
May 20, 2011 |
131.8 KB |
|
| SC 13G/A |
amended statement of beneficial ownership |
Feb 17, 2009 |
38.0 KB |
|
| 8-K |
current report |
Jan 15, 2008 |
86.1 KB |
|
| DEF 14A |
definitive proxy statement |
Mar 9, 1995 |
0.0 KB |
|
| 10-Q |
quarterly report |
Nov 3, 2004 |
201.7 KB |
|
| SC TO-T/A |
other |
Feb 17, 2011 |
78.2 KB |
|
| DEF 14A |
definitive proxy statement |
Mar 12, 2003 |
166.8 KB |
|
| DEF 14A |
definitive proxy statement |
Mar 8, 2000 |
0.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 28, 2007 |
125.6 KB |
|
| 10-Q |
quarterly report |
Aug 10, 2005 |
207.4 KB |
|
| 10-Q |
quarterly report |
Aug 8, 2007 |
203.5 KB |
|
| S-8 |
registration statement |
May 1, 2012 |
70.8 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 25, 2004 |
143.8 KB |
|
| 10-Q |
quarterly report |
Nov 8, 2006 |
212.1 KB |
|
| 10-Q |
quarterly report |
Nov 12, 2003 |
365.6 KB |
|
| 8-K |
current report |
Sep 20, 2001 |
0.0 KB |
|
| 10-Q |
quarterly report |
Nov 6, 2007 |
222.6 KB |
|
| 10-Q |
quarterly report |
Aug 8, 2006 |
215.2 KB |
|
| 10-Q/A |
amended quarterly report |
Aug 8, 2006 |
215.8 KB |
|
| S-3 |
registration statement |
Aug 7, 2001 |
0.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 25, 2009 |
144.1 KB |
|
| 10-Q |
quarterly report |
Nov 7, 2005 |
238.0 KB |
|
| SC 13D/A |
amended general statement of beneficial ownership |
Mar 8, 2011 |
89.1 KB |
|
| S-3 |
registration statement |
Nov 19, 1999 |
0.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 25, 2009 |
146.1 KB |
|
| SC 13D/A |
amended general statement of beneficial ownership |
Dec 6, 2010 |
72.1 KB |
|
| 10-K/A |
amended annual report |
Jun 28, 1995 |
0.0 KB |
|
| 8-K |
current report |
Apr 26, 2013 |
59.8 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 25, 2009 |
153.7 KB |
|
| SC 13D/A |
amended general statement of beneficial ownership |
Dec 1, 2010 |
123.4 KB |
|
| 425 |
other |
May 4, 2011 |
119.2 KB |
|
| SC TO-T/A |
other |
Feb 22, 2011 |
102.5 KB |
|
| DEF 14A |
definitive proxy statement |
Mar 10, 2004 |
273.7 KB |
|
| 10-K/A |
amended annual report |
Jun 28, 1996 |
0.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 25, 2010 |
153.9 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 25, 2010 |
159.2 KB |
|
| 8-K |
current report |
Mar 12, 2003 |
220.8 KB |
|