| Feb 22, 2016 |
|
Undisclosed amount |
| Dec 21, 2012 |
|
Undisclosed amount |
| Sep 10, 2012 |
|
Undisclosed amount |
| Aug 27, 2012 |
|
Undisclosed amount |
| Aug 20, 2012 |
|
Undisclosed amount |
| Jun 29, 2012 |
|
Undisclosed amount |
| Jun 08, 2012 |
|
$ 150,000,000 |
| Dec 20, 2011 |
|
Undisclosed amount |
| Oct 31, 2011 |
|
Undisclosed amount |
| Aug 16, 2011 |
|
Undisclosed amount |
| Jul 18, 2011 |
|
Undisclosed amount |
| Jun 14, 2011 |
|
Undisclosed amount |
| Jun 22, 2010 |
|
Undisclosed amount |
| May 12, 2010 |
|
Undisclosed amount |
| Jan 14, 2010 |
|
Undisclosed amount |
| Jun 04, 2009 |
|
Undisclosed amount |
| Jan 05, 2009 |
|
Undisclosed amount |
| Nov 05, 2008 |
|
Undisclosed amount |
| Jun 03, 2008 |
|
Undisclosed amount |
| Nov 14, 2007 |
|
Undisclosed amount |
| Dec 14, 2005 |
|
Undisclosed amount |
| Dec 13, 2005 |
|
Undisclosed amount |
| Aug 16, 2005 |
|
Undisclosed amount |
| Aug 03, 2005 |
|
Undisclosed amount |
| Jul 12, 2004 |
|
Undisclosed amount |
| Jun 09, 2004 |
|
Undisclosed amount |
| Sep 30, 2003 |
|
Undisclosed amount |
| Jun 09, 2003 |
|
Undisclosed amount |
| Mar 30, 2003 |
|
Undisclosed amount |
| Aug 26, 2002 |
|
Undisclosed amount |
| May 02, 2002 |
|
$ 250,000,000 |
| Apr 23, 2002 |
|
$ 1,100,000,000 |
| May 01, 2001 |
|
Undisclosed amount |
| Nov 09, 2000 |
|
Undisclosed amount |
| Oct 29, 2000 |
|
Undisclosed amount |
| Sep 11, 2000 |
|
Undisclosed amount |
| Jun 30, 2000 |
|
Undisclosed amount |
| Jun 23, 1999 |
|
Undisclosed amount |
| May 18, 1999 |
|
Undisclosed amount |
| Oct 08, 1998 |
|
Undisclosed amount |
| Nov 03, 1997 |
|
Undisclosed amount |