| Date | Acquired | Amount |
|---|---|---|
| Jul 06, 2017 |
|
Undisclosed amount |
| Nov 29, 2016 |
|
Undisclosed amount |
| Nov 05, 2015 |
|
$ 127,000,000 |
| Aug 17, 2015 |
|
Undisclosed amount |
| Oct 01, 2014 |
|
$ 16,000,000 |
| Apr 29, 2014 |
|
$ 31,000,000 |
| Jul 23, 2013 |
|
$ 10,000,000 |
| Oct 30, 2012 |
|
$ 63,000,000 |
| Jan 04, 2012 |
|
Undisclosed amount |
| Jul 26, 2011 |
|
$ 79,000,000 |
| Apr 01, 2011 |
|
Undisclosed amount |
| Jul 01, 2007 |
|
Undisclosed amount |
| Jun 30, 2006 |
|
Undisclosed amount |
| Aug 01, 2005 |
|
$ 454,000,000 |
| Oct 09, 2002 |
|
Undisclosed amount |
| Jul 08, 2002 |
|
$ 41,000,000 |
| Feb 17, 2002 |
|
$ 17,900,000 |
| Dec 15, 2001 |
|
Undisclosed amount |
| Nov 02, 2001 |
|
Undisclosed amount |
| Oct 09, 2001 |
|
$ 20,000,000 |
| Oct 08, 2001 |
|
Undisclosed amount |
| Jun 28, 2001 |
|
$ 31,500,000 |
| Jun 26, 2001 |
|
$ 5,400,000 |
| May 16, 2001 |
|
Undisclosed amount |
| Feb 19, 2001 |
|
$ 38,750,000 |
| Jul 06, 2000 |
|
Undisclosed amount |
| May 05, 2000 |
|
$ 30,000,000 |
| Jan 06, 2000 |
|
Undisclosed amount |
| Jan 06, 2000 |
|
Undisclosed amount |
| Aug 31, 1999 |
|
Undisclosed amount |
| Jul 05, 1999 |
|
Undisclosed amount |
| Apr 06, 1999 |
|
Undisclosed amount |
| Sep 30, 1998 |
|
Undisclosed amount |
| Feb 22, 1996 |
|
$ 6,000,000 |
