| Apr 02, 2015 |
|
Undisclosed amount |
| Feb 18, 2015 |
|
$ 80,000,000 |
| Nov 01, 2011 |
|
Undisclosed amount |
| Jun 09, 2010 |
|
Undisclosed amount |
| Nov 23, 2009 |
|
Undisclosed amount |
| Apr 16, 2009 |
|
Undisclosed amount |
| Dec 19, 2006 |
|
$ 20,000,000 |
| Nov 20, 2006 |
|
$ 586,000,000 |
| Oct 10, 2005 |
|
Undisclosed amount |
| Dec 15, 2003 |
|
$ 205,000,000 |