| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/29/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
19 |
| 07/31/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
21 |
| 05/04/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
20 |
| 02/07/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
19 |
| 08/03/16 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
20 |
| 05/04/16 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
20 |
| 02/03/16 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
18 |
| 07/29/15 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
19 |
| 04/29/15 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
19 |
| 02/04/15 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
|
17 |
