| Oct 31, 2017 |
|
$ 75,000,000 |
| Aug 21, 2017 |
|
Undisclosed amount |
| May 24, 2017 |
|
$ 150,000,000 |
| Dec 23, 2016 |
|
Undisclosed amount |
| Mar 03, 2015 |
|
Undisclosed amount |
| Dec 02, 2014 |
|
Undisclosed amount |
| Nov 03, 2014 |
|
Undisclosed amount |
| May 27, 2014 |
|
$ 18,500,000 |
| Aug 02, 2012 |
|
Undisclosed amount |
| Jun 13, 2012 |
|
$ 5,250,000 |
| Jun 11, 2012 |
|
$ 40,000,000 |
| Nov 16, 2011 |
|
Undisclosed amount |
| Sep 27, 2010 |
|
Undisclosed amount |
| Aug 30, 2010 |
|
$ 5,600,000 |
| May 20, 2010 |
|
Undisclosed amount |
| Jan 15, 2010 |
|
Undisclosed amount |
| Oct 01, 2009 |
|
Undisclosed amount |
| Sep 30, 2009 |
|
Undisclosed amount |
| May 20, 2009 |
|
$ 6,500,000 |
| Jul 31, 2008 |
|
Undisclosed amount |
| Jul 04, 2008 |
|
Undisclosed amount |
| Dec 13, 1993 |
|
Undisclosed amount |
| Oct 04, 1993 |
|
Undisclosed amount |
| Mar 16, 1993 |
|
Undisclosed amount |
| Dec 17, 1991 |
|
$ 2,000,000 |