Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-12-033248-index-headers.html | 2012-05-04 16:32:38 | |
| 0001104659-12-033248-index.html | 2012-05-04 16:32:38 | |
| 0001104659-12-033248.txt | 2012-05-04 16:32:38 | |
 0001104659-12-033248-xbrl.zip | 206308 | 2012-05-04 16:32:38 |
| a12-6894_110q.htm | 912417 | 2012-05-04 16:32:38 |
| a12-6894_1ex31d1.htm | 10172 | 2012-05-04 16:32:38 |
| a12-6894_1ex31d2.htm | 10171 | 2012-05-04 16:32:38 |
| a12-6894_1ex32.htm | 7476 | 2012-05-04 16:32:38 |
| FilingSummary.xml | 19562 | 2012-05-04 16:32:38 |
| Financial_Report.xls | 956886 | 2012-05-04 16:32:38 |
| hgr-20120331.xml | 1003057 | 2012-05-04 16:32:38 |
| hgr-20120331.xsd | 68817 | 2012-05-04 16:32:38 |
| hgr-20120331_cal.xml | 59799 | 2012-05-04 16:32:38 |
| hgr-20120331_def.xml | 408690 | 2012-05-04 16:32:38 |
| hgr-20120331_lab.xml | 1436754 | 2012-05-04 16:32:38 |
| hgr-20120331_pre.xml | 638655 | 2012-05-04 16:32:38 |
| R1.htm | 29312 | 2012-05-04 16:32:38 |
| R10.htm | 23013 | 2012-05-04 16:32:38 |
| R11.htm | 14734 | 2012-05-04 16:32:38 |
| R12.htm | 37072 | 2012-05-04 16:32:38 |
| R13.htm | 10717 | 2012-05-04 16:32:38 |
| R14.htm | 35561 | 2012-05-04 16:32:38 |
| R15.htm | 33337 | 2012-05-04 16:32:38 |
| R16.htm | 13008 | 2012-05-04 16:32:38 |
| R17.htm | 140605 | 2012-05-04 16:32:38 |
| R18.htm | 48913 | 2012-05-04 16:32:38 |
| R19.htm | 76515 | 2012-05-04 16:32:38 |
| R2.htm | 181377 | 2012-05-04 16:32:38 |
| R20.htm | 19663 | 2012-05-04 16:32:38 |
| R21.htm | 30633 | 2012-05-04 16:32:38 |
| R22.htm | 72553 | 2012-05-04 16:32:38 |
| R23.htm | 18902 | 2012-05-04 16:32:38 |
| R24.htm | 30264 | 2012-05-04 16:32:38 |
| R25.htm | 32544 | 2012-05-04 16:32:38 |
| R26.htm | 27401 | 2012-05-04 16:32:38 |
| R27.htm | 130186 | 2012-05-04 16:32:38 |
| R28.htm | 48251 | 2012-05-04 16:32:38 |
| R29.htm | 24350 | 2012-05-04 16:32:38 |
| R3.htm | 22562 | 2012-05-04 16:32:38 |
| R30.htm | 15056 | 2012-05-04 16:32:38 |
| R31.htm | 25532 | 2012-05-04 16:32:38 |
| R32.htm | 39471 | 2012-05-04 16:32:38 |
| R33.htm | 16506 | 2012-05-04 16:32:38 |
| R34.htm | 38251 | 2012-05-04 16:32:38 |
| R35.htm | 100048 | 2012-05-04 16:32:38 |
| R36.htm | 28631 | 2012-05-04 16:32:38 |
| R37.htm | 39578 | 2012-05-04 16:32:38 |
| R38.htm | 37959 | 2012-05-04 16:32:38 |
| R39.htm | 62253 | 2012-05-04 16:32:38 |
| R4.htm | 68666 | 2012-05-04 16:32:38 |
| R40.htm | 19346 | 2012-05-04 16:32:38 |
| R5.htm | 126158 | 2012-05-04 16:32:38 |
| R6.htm | 7755 | 2012-05-04 16:32:38 |
| R7.htm | 39557 | 2012-05-04 16:32:38 |
| R8.htm | 32973 | 2012-05-04 16:32:38 |
| R9.htm | 71153 | 2012-05-04 16:32:38 |
| report.css | 2721 | 2012-05-04 16:32:38 |
| Show.js | 6423 | 2012-05-04 16:32:38 |