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| 0000950123-11-095886-index.html | 2011-11-07 14:58:46 | |
| 0000950123-11-095886.txt | 2011-11-07 14:58:46 | |
 0000950123-11-095886-xbrl.zip | 63111 | 2011-11-07 14:58:46 |
| c24247e10vq.htm | 626607 | 2011-11-07 14:58:46 |
| c24247exv31w1.htm | 8708 | 2011-11-07 14:58:46 |
| c24247exv31w2.htm | 8755 | 2011-11-07 14:58:46 |
| c24247exv32w1.htm | 3257 | 2011-11-07 14:58:46 |
| c24247exv32w2.htm | 3267 | 2011-11-07 14:58:46 |
| FilingSummary.xml | 10367 | 2011-11-07 14:58:46 |
| Financial_Report.xls | 576611 | 2011-11-07 14:58:46 |
| merc-20110930.xml | 666263 | 2011-11-07 14:58:46 |
| merc-20110930.xsd | 13143 | 2011-11-07 14:58:46 |
| merc-20110930_cal.xml | 47544 | 2011-11-07 14:58:46 |
| merc-20110930_lab.xml | 140960 | 2011-11-07 14:58:46 |
| merc-20110930_pre.xml | 96171 | 2011-11-07 14:58:46 |
| R1.htm | 19465 | 2011-11-07 14:58:46 |
| R10.htm | 22446 | 2011-11-07 14:58:46 |
| R11.htm | 9316 | 2011-11-07 14:58:46 |
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| R13.htm | 15626 | 2011-11-07 14:58:46 |
| R14.htm | 37453 | 2011-11-07 14:58:46 |
| R15.htm | 19214 | 2011-11-07 14:58:46 |
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| R2.htm | 132432 | 2011-11-07 14:58:46 |
| R3.htm | 87553 | 2011-11-07 14:58:46 |
| R4.htm | 17402 | 2011-11-07 14:58:46 |
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| R6.htm | 125767 | 2011-11-07 14:58:46 |
| R7.htm | 17539 | 2011-11-07 14:58:46 |
| R8.htm | 13809 | 2011-11-07 14:58:46 |
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| report.css | 2721 | 2011-11-07 14:58:46 |
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