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| 0000047518-18-000041-index.html | 2018-04-27 10:27:04 | |
| 0000047518-18-000041.txt | 2018-04-27 10:27:04 | |
 0000047518-18-000041-xbrl.zip | 193283 | 2018-04-27 10:27:04 |
| a2018q210q.htm | 1346556 | 2018-04-27 10:27:04 |
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| exhibit1012018q2.htm | 12290 | 2018-04-27 10:27:04 |
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| exhibit1032018q2.htm | 12290 | 2018-04-27 10:27:04 |
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| exhibit1052018q2.htm | 12295 | 2018-04-27 10:27:04 |
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| exhibit3112018q2.htm | 14228 | 2018-04-27 10:27:04 |
| exhibit3122018q2.htm | 14210 | 2018-04-27 10:27:04 |
| exhibit3212018q2.htm | 7082 | 2018-04-27 10:27:04 |
| exhibit3222018q2.htm | 7601 | 2018-04-27 10:27:04 |
| FilingSummary.xml | 32116 | 2018-04-27 10:27:04 |
| Financial_Report.xlsx | 68493 | 2018-04-27 10:27:04 |
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| hrc-20180331.xml | 1469019 | 2018-04-27 10:27:04 |
| hrc-20180331.xsd | 38886 | 2018-04-27 10:27:04 |
| hrc-20180331_cal.xml | 83282 | 2018-04-27 10:27:04 |
| hrc-20180331_def.xml | 232910 | 2018-04-27 10:27:04 |
| hrc-20180331_lab.xml | 566079 | 2018-04-27 10:27:04 |
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| report.css | 2767 | 2018-04-27 10:27:04 |
| Show.js | 1410 | 2018-04-27 10:27:04 |