| Date | Acquired | Amount |
|---|---|---|
| Jun 23, 2017 |
|
Undisclosed amount |
| Jan 04, 2017 |
|
Undisclosed amount |
| Oct 13, 2016 |
|
Undisclosed amount |
| Dec 04, 2015 |
|
Undisclosed amount |
| Sep 18, 2015 |
|
Undisclosed amount |
| Dec 18, 2014 |
|
$ 35,700,000 |
| Apr 01, 2014 |
|
Undisclosed amount |
| Feb 11, 2014 |
|
Undisclosed amount |
| Oct 14, 2013 |
|
Undisclosed amount |
| May 18, 2013 |
|
Undisclosed amount |
| May 02, 2013 |
|
$ 19,000,000 |
| Jul 02, 2012 |
|
Undisclosed amount |
| Jun 01, 2012 |
|
$ 17,000,000 |
| Feb 09, 2012 |
|
Undisclosed amount |
| Jul 01, 2011 |
|
$ 15,000,000 |
| Apr 01, 2011 |
|
Undisclosed amount |
| Dec 13, 2010 |
|
$ 9,400,000 |
| Mar 29, 2010 |
|
Undisclosed amount |
| Nov 23, 2007 |
|
$ 6,000,000 |
| Sep 21, 2007 |
|
$ 20,900,000 |
| Jun 26, 2007 |
|
$ 15,100,000 |
| Feb 20, 2007 |
|
$ 12,200,000 |
| May 31, 2006 |
|
$ 15,100,000 |
| Apr 07, 2006 |
|
$ 9,800,000 |
| Sep 06, 2005 |
|
$ 10,000,000 |
| Jun 13, 2005 |
|
$ 9,900,000 |
| Jun 21, 2004 |
|
$ 10,400,000 |
| Apr 05, 2004 |
|
$ 9,100,000 |
| Apr 23, 2002 |
|
Undisclosed amount |
| Feb 17, 2000 |
|
$ 63,000,000 |
| Jan 03, 2000 |
|
$ 2,450,000 |
