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|---|---|---|
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| 0000051644-19-000020-index.html | 2019-04-26 09:02:38 | |
| 0000051644-19-000020.txt | 2019-04-26 09:02:38 | |
 0000051644-19-000020-xbrl.zip | 177673 | 2019-04-26 09:02:38 |
| exhibit10iiia1.htm | 54121 | 2019-04-26 09:02:38 |
| exhibit10iiia2.htm | 18904 | 2019-04-26 09:02:38 |
| exhibit10iiia3.htm | 59757 | 2019-04-26 09:02:38 |
| exhibit10iiia4.htm | 94723 | 2019-04-26 09:02:38 |
| exhibit10iiia5.htm | 9202 | 2019-04-26 09:02:38 |
| exhibit10iiia6.htm | 9273 | 2019-04-26 09:02:38 |
| FilingSummary.xml | 32841 | 2019-04-26 09:02:38 |
| Financial_Report.xlsx | 63689 | 2019-04-26 09:02:38 |
| ipg-20190331.xml | 1540748 | 2019-04-26 09:02:38 |
| ipg-20190331.xsd | 42945 | 2019-04-26 09:02:38 |
| ipg-20190331_cal.xml | 88814 | 2019-04-26 09:02:38 |
| ipg-20190331_def.xml | 138548 | 2019-04-26 09:02:38 |
| ipg-20190331_lab.xml | 625831 | 2019-04-26 09:02:38 |
| ipg-20190331_pre.xml | 334106 | 2019-04-26 09:02:38 |
 ipglogo2018a02.jpg | 36605 | 2019-04-26 09:02:38 |
| ipgq1201910q.htm | 1362212 | 2019-04-26 09:02:38 |
| ipgq1201910qex311.htm | 12312 | 2019-04-26 09:02:38 |
| ipgq1201910qex312.htm | 12835 | 2019-04-26 09:02:38 |
| ipgq1201910qex32.htm | 7010 | 2019-04-26 09:02:38 |
| R1.htm | 24221 | 2019-04-26 09:02:38 |
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| R9.htm | 48567 | 2019-04-26 09:02:38 |
| report.css | 2767 | 2019-04-26 09:02:38 |
| Show.js | 1085 | 2019-04-26 09:02:38 |