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| 0000045919-17-000009-index.html | 2017-08-17 11:09:48 | |
| 0000045919-17-000009.txt | 2017-08-17 11:09:48 | |
 0000045919-17-000009-xbrl.zip | 143683 | 2017-08-17 11:09:48 |
| exhibit1012017q1.htm | 47798 | 2017-08-17 11:09:48 |
| exhibit3112017q1.htm | 20924 | 2017-08-17 11:09:48 |
| exhibit3122017q1.htm | 21678 | 2017-08-17 11:09:48 |
| exhibit3212017q1.htm | 5829 | 2017-08-17 11:09:48 |
| exhibit3222017q1.htm | 6816 | 2017-08-17 11:09:48 |
| FilingSummary.xml | 23977 | 2017-08-17 11:09:48 |
| Financial_Report.xlsx | 52940 | 2017-08-17 11:09:48 |
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| hhs-033117x10q.htm | 819738 | 2017-08-17 11:09:48 |
| hhs-20170331.xml | 836429 | 2017-08-17 11:09:48 |
| hhs-20170331.xsd | 28550 | 2017-08-17 11:09:48 |
| hhs-20170331_cal.xml | 76141 | 2017-08-17 11:09:48 |
| hhs-20170331_def.xml | 164098 | 2017-08-17 11:09:48 |
| hhs-20170331_lab.xml | 560603 | 2017-08-17 11:09:48 |
| hhs-20170331_pre.xml | 312770 | 2017-08-17 11:09:48 |
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| report.css | 2767 | 2017-08-17 11:09:48 |
| Show.js | 1410 | 2017-08-17 11:09:48 |