| Date | Acquired | Amount |
|---|---|---|
| Nov 07, 2016 |
|
$ 454,000,000 |
| Aug 31, 2016 |
|
Undisclosed amount |
| Oct 01, 2015 |
|
Undisclosed amount |
| Feb 01, 2012 |
|
Undisclosed amount |
| Sep 19, 2011 |
|
Undisclosed amount |
| Jul 10, 2008 |
|
Undisclosed amount |
| Apr 01, 2008 |
|
Undisclosed amount |
| Sep 07, 2006 |
|
Undisclosed amount |
| Apr 25, 2002 |
|
Undisclosed amount |
| Oct 09, 2001 |
|
Undisclosed amount |
| Apr 07, 1998 |
|
Undisclosed amount |
