Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-23-143039-index-headers.html | 2023-05-12 10:26:59 | |
| 0001193125-23-143039-index.html | 2023-05-12 10:26:59 | |
| 0001193125-23-143039.txt | 2023-05-12 10:26:59 | |
 0001193125-23-143039-xbrl.zip | 35853 | 2023-05-12 10:26:59 |
| d445199d8k.htm | 28921 | 2023-05-12 10:26:59 |
| d445199d8k_htm.xml | 3337 | 2023-05-12 10:26:59 |
| d445199dex473.htm | 156025 | 2023-05-12 10:26:59 |
| d445199dex508.htm | 7590 | 2023-05-12 10:26:59 |
| d445199dex509.htm | 7125 | 2023-05-12 10:26:59 |
| emp-20230512.xsd | 2505 | 2023-05-12 10:26:59 |
| emp-20230512_lab.xml | 17228 | 2023-05-12 10:26:59 |
| emp-20230512_pre.xml | 10786 | 2023-05-12 10:26:59 |
| FilingSummary.xml | 1798 | 2023-05-12 10:26:59 |
| Financial_Report.xlsx | 5704 | 2023-05-12 10:26:59 |
 g445199g0511045731361.jpg | 2986 | 2023-05-12 10:26:59 |
| MetaLinks.json | 18101 | 2023-05-12 10:26:59 |
| R1.htm | 38111 | 2023-05-12 10:26:59 |
| report.css | 2767 | 2023-05-12 10:26:59 |
| Show.js | 1085 | 2023-05-12 10:26:59 |