Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950123-20-006617-index-headers.html | 2020-07-02 07:03:37 | |
| 0000950123-20-006617-index.html | 2020-07-02 07:03:37 | |
| 0000950123-20-006617.txt | 2020-07-02 07:03:37 | |
 0000950123-20-006617-xbrl.zip | 1483303 | 2020-07-02 07:03:37 |
| d893318dex11.htm | 84464 | 2020-07-02 07:03:37 |
| d893318dex12.htm | 51848 | 2020-07-02 07:03:37 |
| d893318dex121.htm | 10490 | 2020-07-02 07:03:37 |
| d893318dex122.htm | 10492 | 2020-07-02 07:03:37 |
| d893318dex131.htm | 5210 | 2020-07-02 07:03:37 |
| d893318dex15.htm | 1599 | 2020-07-02 07:03:37 |
| d893318dex24.htm | 54400 | 2020-07-02 07:03:37 |
| FilingSummary.xml | 138206 | 2020-07-02 07:03:37 |
| Financial_Report.xlsx | 377777 | 2020-07-02 07:03:37 |
 g25x96.jpg | 119100 | 2020-07-02 07:03:37 |
 g30k94.jpg | 202915 | 2020-07-02 07:03:37 |
 g46v18.jpg | 111641 | 2020-07-02 07:03:37 |
 g53p91.jpg | 115753 | 2020-07-02 07:03:37 |
 g62l14.jpg | 100148 | 2020-07-02 07:03:37 |
| MetaLinks.json | 2004760 | 2020-07-02 07:03:37 |
| mfg-20200331.htm | 16141264 | 2020-07-02 07:03:37 |
| mfg-20200331.xsd | 223871 | 2020-07-02 07:03:37 |
| mfg-20200331_cal.xml | 209515 | 2020-07-02 07:03:37 |
| mfg-20200331_def.xml | 1380072 | 2020-07-02 07:03:37 |
| mfg-20200331_htm.xml | 17021242 | 2020-07-02 07:03:37 |
| mfg-20200331_lab.xml | 1470050 | 2020-07-02 07:03:37 |
| mfg-20200331_pre.xml | 1517884 | 2020-07-02 07:03:37 |
| R1.htm | 65363 | 2020-07-02 07:03:37 |
| R10.htm | 598255 | 2020-07-02 07:03:37 |
| R100.htm | 22374 | 2020-07-02 07:03:37 |
| R101.htm | 5690 | 2020-07-02 07:03:37 |
| R102.htm | 13704 | 2020-07-02 07:03:37 |
| R103.htm | 13956 | 2020-07-02 07:03:37 |
| R104.htm | 15388 | 2020-07-02 07:03:37 |
| R105.htm | 10964 | 2020-07-02 07:03:37 |
| R106.htm | 14449 | 2020-07-02 07:03:37 |
| R107.htm | 4735 | 2020-07-02 07:03:37 |
| R108.htm | 39357 | 2020-07-02 07:03:37 |
| R109.htm | 15723 | 2020-07-02 07:03:37 |
| R11.htm | 889566 | 2020-07-02 07:03:37 |
| R110.htm | 7992 | 2020-07-02 07:03:37 |
| R111.htm | 15816 | 2020-07-02 07:03:37 |
| R112.htm | 56914 | 2020-07-02 07:03:37 |
| R113.htm | 20849 | 2020-07-02 07:03:37 |
| R114.htm | 50827 | 2020-07-02 07:03:37 |
| R115.htm | 10942 | 2020-07-02 07:03:37 |
| R116.htm | 13499 | 2020-07-02 07:03:37 |
| R117.htm | 8458 | 2020-07-02 07:03:37 |
| R118.htm | 20721 | 2020-07-02 07:03:37 |
| R119.htm | 46497 | 2020-07-02 07:03:37 |
| R12.htm | 211563 | 2020-07-02 07:03:37 |
| R120.htm | 33449 | 2020-07-02 07:03:37 |
| R121.htm | 48834 | 2020-07-02 07:03:37 |
| R122.htm | 12987 | 2020-07-02 07:03:37 |
| R123.htm | 69619 | 2020-07-02 07:03:37 |
| R124.htm | 14446 | 2020-07-02 07:03:37 |
| R125.htm | 30752 | 2020-07-02 07:03:37 |
| R126.htm | 32465 | 2020-07-02 07:03:37 |
| R127.htm | 22343 | 2020-07-02 07:03:37 |
| R128.htm | 31713 | 2020-07-02 07:03:37 |
| R129.htm | 21197 | 2020-07-02 07:03:37 |
| R13.htm | 31916 | 2020-07-02 07:03:37 |
| R130.htm | 37249 | 2020-07-02 07:03:37 |
| R131.htm | 11231 | 2020-07-02 07:03:37 |
| R132.htm | 52381 | 2020-07-02 07:03:37 |
| R133.htm | 12445 | 2020-07-02 07:03:37 |
| R134.htm | 25479 | 2020-07-02 07:03:37 |
| R135.htm | 16196 | 2020-07-02 07:03:37 |
| R136.htm | 14156 | 2020-07-02 07:03:37 |
| R137.htm | 17153 | 2020-07-02 07:03:37 |
| R138.htm | 13571 | 2020-07-02 07:03:37 |
| R139.htm | 21691 | 2020-07-02 07:03:37 |
| R14.htm | 98246 | 2020-07-02 07:03:37 |
| R140.htm | 15950 | 2020-07-02 07:03:37 |
| R141.htm | 17468 | 2020-07-02 07:03:37 |
| R142.htm | 19295 | 2020-07-02 07:03:37 |
| R143.htm | 65782 | 2020-07-02 07:03:37 |
| R144.htm | 5264 | 2020-07-02 07:03:37 |
| R145.htm | 15055 | 2020-07-02 07:03:37 |
| R146.htm | 17598 | 2020-07-02 07:03:37 |
| R147.htm | 64282 | 2020-07-02 07:03:37 |
| R148.htm | 14611 | 2020-07-02 07:03:37 |
| R149.htm | 14107 | 2020-07-02 07:03:37 |
| R15.htm | 42686 | 2020-07-02 07:03:37 |
| R150.htm | 17515 | 2020-07-02 07:03:37 |
| R151.htm | 27529 | 2020-07-02 07:03:37 |
| R152.htm | 9252 | 2020-07-02 07:03:37 |
| R153.htm | 11118 | 2020-07-02 07:03:37 |
| R154.htm | 23341 | 2020-07-02 07:03:37 |
| R155.htm | 33227 | 2020-07-02 07:03:37 |
| R156.htm | 8044 | 2020-07-02 07:03:37 |
| R157.htm | 12109 | 2020-07-02 07:03:37 |
| R158.htm | 8587 | 2020-07-02 07:03:37 |
| R159.htm | 6652 | 2020-07-02 07:03:37 |
| R16.htm | 87449 | 2020-07-02 07:03:37 |
| R160.htm | 18366 | 2020-07-02 07:03:37 |
| R161.htm | 10914 | 2020-07-02 07:03:37 |
| R162.htm | 15672 | 2020-07-02 07:03:37 |
| R163.htm | 10935 | 2020-07-02 07:03:37 |
| R164.htm | 9591 | 2020-07-02 07:03:37 |
| R165.htm | 10180 | 2020-07-02 07:03:37 |
| R166.htm | 42313 | 2020-07-02 07:03:37 |
| R167.htm | 11128 | 2020-07-02 07:03:37 |
| R168.htm | 9841 | 2020-07-02 07:03:37 |
| R169.htm | 13288 | 2020-07-02 07:03:37 |
| R17.htm | 3541 | 2020-07-02 07:03:37 |
| R170.htm | 9337 | 2020-07-02 07:03:37 |
| R171.htm | 4622 | 2020-07-02 07:03:37 |
| R172.htm | 21234 | 2020-07-02 07:03:37 |
| R173.htm | 21305 | 2020-07-02 07:03:37 |
| R174.htm | 28859 | 2020-07-02 07:03:37 |
| R175.htm | 18826 | 2020-07-02 07:03:37 |
| R176.htm | 50911 | 2020-07-02 07:03:37 |
| R177.htm | 18625 | 2020-07-02 07:03:37 |
| R178.htm | 27063 | 2020-07-02 07:03:37 |
| R179.htm | 11016 | 2020-07-02 07:03:37 |
| R18.htm | 112459 | 2020-07-02 07:03:37 |
| R180.htm | 30041 | 2020-07-02 07:03:37 |
| R181.htm | 152448 | 2020-07-02 07:03:37 |
| R182.htm | 6726 | 2020-07-02 07:03:37 |
| R183.htm | 123226 | 2020-07-02 07:03:37 |
| R184.htm | 164335 | 2020-07-02 07:03:37 |
| R185.htm | 34690 | 2020-07-02 07:03:37 |
| R186.htm | 41366 | 2020-07-02 07:03:37 |
| R187.htm | 101028 | 2020-07-02 07:03:37 |
| R188.htm | 24168 | 2020-07-02 07:03:37 |
| R189.htm | 23022 | 2020-07-02 07:03:37 |
| R19.htm | 67652 | 2020-07-02 07:03:37 |
| R190.htm | 5211 | 2020-07-02 07:03:37 |
| R191.htm | 39990 | 2020-07-02 07:03:37 |
| R192.htm | 7458 | 2020-07-02 07:03:37 |
| R193.htm | 4980 | 2020-07-02 07:03:37 |
| R194.htm | 55612 | 2020-07-02 07:03:37 |
| R195.htm | 13105 | 2020-07-02 07:03:37 |
| R196.htm | 41684 | 2020-07-02 07:03:37 |
| R197.htm | 10560 | 2020-07-02 07:03:37 |
| R198.htm | 38179 | 2020-07-02 07:03:37 |
| R199.htm | 42736 | 2020-07-02 07:03:37 |
| R2.htm | 129762 | 2020-07-02 07:03:37 |
| R20.htm | 30138 | 2020-07-02 07:03:37 |
| R200.htm | 48905 | 2020-07-02 07:03:37 |
| R201.htm | 63998 | 2020-07-02 07:03:37 |
| R202.htm | 3892 | 2020-07-02 07:03:37 |
| R21.htm | 21288 | 2020-07-02 07:03:37 |
| R22.htm | 7439 | 2020-07-02 07:03:37 |
| R23.htm | 172886 | 2020-07-02 07:03:37 |
| R24.htm | 288538 | 2020-07-02 07:03:37 |
| R25.htm | 62390 | 2020-07-02 07:03:37 |
| R26.htm | 336065 | 2020-07-02 07:03:37 |
| R27.htm | 326991 | 2020-07-02 07:03:37 |
| R28.htm | 132428 | 2020-07-02 07:03:37 |
| R29.htm | 234032 | 2020-07-02 07:03:37 |
| R3.htm | 21046 | 2020-07-02 07:03:37 |
| R30.htm | 153822 | 2020-07-02 07:03:37 |
| R31.htm | 119681 | 2020-07-02 07:03:37 |
| R32.htm | 76750 | 2020-07-02 07:03:37 |
| R33.htm | 50071 | 2020-07-02 07:03:37 |
| R34.htm | 1247979 | 2020-07-02 07:03:37 |
| R35.htm | 153605 | 2020-07-02 07:03:37 |
| R36.htm | 96209 | 2020-07-02 07:03:37 |
| R37.htm | 42730 | 2020-07-02 07:03:37 |
| R38.htm | 296002 | 2020-07-02 07:03:37 |
| R39.htm | 143120 | 2020-07-02 07:03:37 |
| R4.htm | 121606 | 2020-07-02 07:03:37 |
| R40.htm | 189469 | 2020-07-02 07:03:37 |
| R41.htm | 5599 | 2020-07-02 07:03:37 |
| R42.htm | 140358 | 2020-07-02 07:03:37 |
| R43.htm | 8700 | 2020-07-02 07:03:37 |
| R44.htm | 598794 | 2020-07-02 07:03:37 |
| R45.htm | 865044 | 2020-07-02 07:03:37 |
| R46.htm | 210014 | 2020-07-02 07:03:37 |
| R47.htm | 28494 | 2020-07-02 07:03:37 |
| R48.htm | 99605 | 2020-07-02 07:03:37 |
| R49.htm | 41769 | 2020-07-02 07:03:37 |
| R5.htm | 29884 | 2020-07-02 07:03:37 |
| R50.htm | 87194 | 2020-07-02 07:03:37 |
| R51.htm | 119182 | 2020-07-02 07:03:37 |
| R52.htm | 67033 | 2020-07-02 07:03:37 |
| R53.htm | 34651 | 2020-07-02 07:03:37 |
| R54.htm | 25895 | 2020-07-02 07:03:37 |
| R55.htm | 174065 | 2020-07-02 07:03:37 |
| R56.htm | 274838 | 2020-07-02 07:03:37 |
| R57.htm | 62418 | 2020-07-02 07:03:37 |
| R58.htm | 337399 | 2020-07-02 07:03:37 |
| R59.htm | 332072 | 2020-07-02 07:03:37 |
| R6.htm | 59406 | 2020-07-02 07:03:37 |
| R60.htm | 134214 | 2020-07-02 07:03:37 |
| R61.htm | 238251 | 2020-07-02 07:03:37 |
| R62.htm | 140625 | 2020-07-02 07:03:37 |
| R63.htm | 95860 | 2020-07-02 07:03:37 |
| R64.htm | 69647 | 2020-07-02 07:03:37 |
| R65.htm | 48548 | 2020-07-02 07:03:37 |
| R66.htm | 1193581 | 2020-07-02 07:03:37 |
| R67.htm | 150842 | 2020-07-02 07:03:37 |
| R68.htm | 96021 | 2020-07-02 07:03:37 |
| R69.htm | 41638 | 2020-07-02 07:03:37 |
| R7.htm | 144140 | 2020-07-02 07:03:37 |
| R70.htm | 294801 | 2020-07-02 07:03:37 |
| R71.htm | 143508 | 2020-07-02 07:03:37 |
| R72.htm | 191292 | 2020-07-02 07:03:37 |
| R73.htm | 20189 | 2020-07-02 07:03:37 |
| R74.htm | 11724 | 2020-07-02 07:03:37 |
| R75.htm | 24145 | 2020-07-02 07:03:37 |
| R76.htm | 58088 | 2020-07-02 07:03:37 |
| R77.htm | 16828 | 2020-07-02 07:03:37 |
| R78.htm | 121694 | 2020-07-02 07:03:37 |
| R79.htm | 29579 | 2020-07-02 07:03:37 |
| R8.htm | 78463 | 2020-07-02 07:03:37 |
| R80.htm | 83491 | 2020-07-02 07:03:37 |
| R81.htm | 14396 | 2020-07-02 07:03:37 |
| R82.htm | 9449 | 2020-07-02 07:03:37 |
| R83.htm | 10163 | 2020-07-02 07:03:37 |
| R84.htm | 9240 | 2020-07-02 07:03:37 |
| R85.htm | 7251 | 2020-07-02 07:03:37 |
| R86.htm | 9462 | 2020-07-02 07:03:37 |
| R87.htm | 51096 | 2020-07-02 07:03:37 |
| R88.htm | 9549 | 2020-07-02 07:03:37 |
| R89.htm | 217320 | 2020-07-02 07:03:37 |
| R9.htm | 26776 | 2020-07-02 07:03:37 |
| R90.htm | 8271 | 2020-07-02 07:03:37 |
| R91.htm | 68098 | 2020-07-02 07:03:37 |
| R92.htm | 7702 | 2020-07-02 07:03:37 |
| R93.htm | 36375 | 2020-07-02 07:03:37 |
| R94.htm | 25929 | 2020-07-02 07:03:37 |
| R95.htm | 109238 | 2020-07-02 07:03:37 |
| R96.htm | 52254 | 2020-07-02 07:03:37 |
| R97.htm | 23048 | 2020-07-02 07:03:37 |
| R98.htm | 16555 | 2020-07-02 07:03:37 |
| R99.htm | 15334 | 2020-07-02 07:03:37 |
| report.css | 2768 | 2020-07-02 07:03:37 |
| Show.js | 1086 | 2020-07-02 07:03:37 |