| Filing |
Description |
Date Filed |
Size  |
|
| 8-K |
current report |
Jul 20, 2012 |
345.9 KB |
|
| 10-K |
annual report |
Mar 11, 2004 |
567.8 KB |
|
| S-4/A |
registration statement |
Feb 28, 1995 |
0.0 KB |
|
| SC 13D |
general statement of beneficial ownership |
Jul 27, 1998 |
402.1 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 26, 2012 |
126.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 26, 2012 |
130.5 KB |
|
| 424B3 |
prospectus filed pursuant to rule 424 |
Oct 30, 2007 |
306.5 KB |
|
| 424B3 |
prospectus filed pursuant to rule 424 |
Oct 30, 2007 |
314.0 KB |
|
| SC 13D |
general statement of beneficial ownership |
Oct 9, 1998 |
454.4 KB |
|
| S-4 |
registration statement |
Feb 3, 1995 |
0.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 26, 2012 |
143.9 KB |
|
| 424B5 |
prospectus filed pursuant to rule 424 |
Nov 1, 2007 |
319.1 KB |
|
| 424B5 |
prospectus filed pursuant to rule 424 |
Nov 1, 2007 |
320.4 KB |
|
| S-3 |
registration statement |
Apr 29, 2003 |
455.3 KB |
|
| SC 14D1 |
initial tender offer statement |
Aug 26, 1994 |
458.1 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 17, 2011 |
154.7 KB |
|
| S-4 |
registration statement |
Jan 23, 1996 |
0.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 17, 2011 |
157.1 KB |
|
| SC 13D |
general statement of beneficial ownership |
Feb 18, 1997 |
463.7 KB |
|
| 425 |
other |
Nov 8, 2011 |
279.0 KB |
|
| SC 14D1 |
initial tender offer statement |
Jul 27, 1998 |
486.4 KB |
|
| S-4 |
registration statement |
Jun 26, 1997 |
0.0 KB |
|
| 11-K |
annual report of employee stock purchase |
Jun 17, 2011 |
174.4 KB |
|
| SC 13D/A |
amended general statement of beneficial ownership |
Oct 9, 1998 |
545.8 KB |
|
| S-4 |
registration statement |
Sep 7, 1999 |
0.0 KB |
|
| S-3ASR |
automatic shelf registration statement of securities of well-known seasoned issuers |
Mar 11, 2008 |
283.6 KB |
|
| 424B3 |
prospectus filed pursuant to rule 424 |
Jan 17, 2006 |
472.8 KB |
|
| S-4 |
registration statement |
Jan 10, 2000 |
0.0 KB |
|
| 8-K |
current report |
Jan 17, 2006 |
512.5 KB |
|
| 425 |
other |
Jan 17, 2006 |
512.6 KB |
|
| 8-K |
current report |
Apr 19, 2011 |
124.9 KB |
|
| 10-K |
annual report |
Mar 14, 2006 |
609.3 KB |
|
| S-4 |
registration statement |
Apr 23, 2001 |
0.0 KB |
|
| 8-K |
current report |
Apr 20, 2010 |
120.2 KB |
|
| S-4/A |
registration statement |
May 14, 2001 |
0.0 KB |
|
| SC TO-T |
other |
Jun 5, 2009 |
666.0 KB |
|
| 8-K |
current report |
May 2, 2011 |
561.5 KB |
|
| 8-K |
current report |
Nov 18, 2005 |
491.5 KB |
|
| SC 13D |
general statement of beneficial ownership |
Mar 11, 2005 |
501.9 KB |
|
| S-4 |
registration statement |
Oct 17, 1997 |
0.0 KB |
|
| SC TO-T/A |
other |
Dec 10, 2010 |
400.3 KB |
|
| PRE 14A |
preliminary proxy statement |
Feb 28, 2006 |
656.5 KB |
|
| 425 |
other |
Sep 20, 2011 |
237.5 KB |
|
| 8-K |
current report |
Mar 28, 2012 |
206.9 KB |
|
| 8-K |
current report |
Nov 24, 2008 |
26.7 KB |
|
| DEF 14A |
definitive proxy statement |
Mar 14, 2007 |
668.8 KB |
|
| DEF 14A |
definitive proxy statement |
Mar 15, 2006 |
683.8 KB |
|
| SC 13D |
general statement of beneficial ownership |
Dec 21, 2005 |
529.0 KB |
|
| 425 |
other |
Apr 29, 2011 |
536.1 KB |
|
| 8-K |
current report |
Apr 15, 2008 |
143.0 KB |
|