| Date | Acquired | Amount |
|---|---|---|
| Jul 16, 2016 |
|
Undisclosed amount |
| Mar 08, 2016 |
|
Undisclosed amount |
| Mar 01, 2010 |
|
Undisclosed amount |
| Sep 10, 2009 |
|
Undisclosed amount |
| Dec 01, 2008 |
|
Undisclosed amount |
| Jan 04, 2008 |
|
$ 59,700,000 |
| Nov 30, 2007 |
|
Undisclosed amount |
| Apr 01, 2007 |
|
Undisclosed amount |
| Feb 06, 2007 |
|
Undisclosed amount |
| Apr 03, 2006 |
|
Undisclosed amount |
| Jul 01, 2005 |
|
Undisclosed amount |
| Sep 27, 2000 |
|
Undisclosed amount |
