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|---|---|---|
 0000928816-18-000970-index-headers.html | 2018-05-11 14:08:51 | |
| 0000928816-18-000970-index.html | 2018-05-11 14:08:51 | |
| 0000928816-18-000970.txt | 2018-05-11 14:08:51 | |
 0000928816-18-000970-xbrl.zip | 67042 | 2018-05-11 14:08:51 |
| a_pvtcvr.htm | 21366 | 2018-05-11 14:08:51 |
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 BarChart9.png | 22662 | 2018-05-11 14:08:51 |
| FilingSummary.xml | 14457 | 2018-05-11 14:08:51 |
| pvt-20180426.xml | 487728 | 2018-05-11 14:08:51 |
| pvt-20180426.xsd | 29527 | 2018-05-11 14:08:51 |
| pvt-20180426_def.xml | 463246 | 2018-05-11 14:08:51 |
| pvt-20180426_lab.xml | 186776 | 2018-05-11 14:08:51 |
| pvt-20180426_pre.xml | 665871 | 2018-05-11 14:08:51 |
| R1.htm | 90503 | 2018-05-11 14:08:51 |
| R10.htm | 83303 | 2018-05-11 14:08:51 |
| R11.htm | 85262 | 2018-05-11 14:08:51 |
| R12.htm | 83987 | 2018-05-11 14:08:51 |
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| R14.htm | 89145 | 2018-05-11 14:08:51 |
| R15.htm | 86199 | 2018-05-11 14:08:51 |
| R16.htm | 82522 | 2018-05-11 14:08:51 |
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| R18.htm | 93130 | 2018-05-11 14:08:51 |
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| R2.htm | 89036 | 2018-05-11 14:08:51 |
| R20.htm | 85464 | 2018-05-11 14:08:51 |
| R21.htm | 89261 | 2018-05-11 14:08:51 |
| R22.htm | 86001 | 2018-05-11 14:08:51 |
| R27.htm | 1064688 | 2018-05-11 14:08:51 |
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| R5.htm | 90304 | 2018-05-11 14:08:51 |
| R6.htm | 83893 | 2018-05-11 14:08:51 |
| R7.htm | 84960 | 2018-05-11 14:08:51 |
| R8.htm | 84833 | 2018-05-11 14:08:51 |
| R9.htm | 82174 | 2018-05-11 14:08:51 |
| report.css | 2767 | 2018-05-11 14:08:51 |
| Show.js | 1410 | 2018-05-11 14:08:51 |