| Dec 23, 2015 |
|
$ 100,000,000 |
| Nov 03, 2015 |
|
Undisclosed amount |
| May 05, 2015 |
|
$ 105,000,000 |
| Jan 01, 2015 |
|
Undisclosed amount |
| Jul 24, 2014 |
|
$ 170,000,000 |
| Jun 16, 2014 |
|
$ 50,000,000 |
| Dec 30, 2013 |
|
$ 112,000,000 |
| Sep 10, 2013 |
|
Undisclosed amount |
| Jul 16, 2013 |
|
$ 10,000,000 |
| Aug 08, 2012 |
|
$ 220,000,000 |
| Sep 01, 2011 |
|
Undisclosed amount |
| May 31, 2011 |
|
Undisclosed amount |
| Feb 08, 2010 |
|
Undisclosed amount |
| Dec 10, 2009 |
|
Undisclosed amount |
| Jun 08, 2009 |
|
Undisclosed amount |
| Dec 03, 2007 |
|
$ 250,000,000 |
| Sep 24, 2007 |
|
Undisclosed amount |
| May 01, 2007 |
|
Undisclosed amount |
| Oct 18, 2006 |
|
$ 17,000,000 |
| Apr 01, 2006 |
|
$ 63,000,000 |
| Jul 06, 2005 |
|
$ 190,000,000 |
| Jun 10, 2005 |
|
Undisclosed amount |
| Jun 06, 2005 |
|
Undisclosed amount |
| Apr 08, 2004 |
|
$ 12,000,000 |
| Mar 09, 1999 |
|
Undisclosed amount |
| Dec 12, 1998 |
|
Undisclosed amount |
| Oct 02, 1998 |
|
Undisclosed amount |