| Date | Acquired | Amount |
|---|---|---|
| Nov 01, 2017 |
|
Undisclosed amount |
| May 02, 2017 |
|
$ 380,000,000 |
| Sep 22, 2014 |
|
Undisclosed amount |
| Jun 25, 2014 |
|
$ 208,000,000 |
| Aug 31, 2012 |
|
Undisclosed amount |
| Aug 19, 2008 |
|
$ 90,600,000 |
| Jul 11, 2006 |
|
$ 152,000,000 |
| Apr 08, 2005 |
|
Undisclosed amount |
| Feb 01, 2005 |
|
$ 58,800,000 |
| Oct 01, 2004 |
|
Undisclosed amount |
| Mar 01, 2004 |
|
$ 2,500,000 |
| Jan 01, 1994 |
|
$ 155,000,000 |
