Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-017915-index-headers.html | 2022-06-23 16:50:19 | |
| 0001628280-22-017915-index.html | 2022-06-23 16:50:19 | |
| 0001628280-22-017915.txt | 2022-06-23 16:50:19 | |
 0001628280-22-017915-xbrl.zip | 563826 | 2022-06-23 16:50:19 |
| FilingSummary.xml | 64673 | 2022-06-23 16:50:19 |
| Financial_Report.xlsx | 176333 | 2022-06-23 16:50:19 |
| gms-20220430.htm | 2727401 | 2022-06-23 16:50:19 |
| gms-20220430.xsd | 81398 | 2022-06-23 16:50:19 |
| gms-20220430xex211.htm | 29803 | 2022-06-23 16:50:19 |
| gms-20220430xex231.htm | 4287 | 2022-06-23 16:50:19 |
| gms-20220430xex311.htm | 8974 | 2022-06-23 16:50:19 |
| gms-20220430xex312.htm | 8972 | 2022-06-23 16:50:19 |
| gms-20220430xex321.htm | 4926 | 2022-06-23 16:50:19 |
| gms-20220430xex322.htm | 4866 | 2022-06-23 16:50:19 |
| gms-20220430_cal.xml | 165669 | 2022-06-23 16:50:19 |
| gms-20220430_def.xml | 431167 | 2022-06-23 16:50:19 |
 gms-20220430_g1.jpg | 121441 | 2022-06-23 16:50:19 |
| gms-20220430_htm.xml | 2664073 | 2022-06-23 16:50:19 |
| gms-20220430_lab.xml | 1028775 | 2022-06-23 16:50:19 |
| gms-20220430_pre.xml | 760000 | 2022-06-23 16:50:19 |
| MetaLinks.json | 1035566 | 2022-06-23 16:50:19 |
| R1.htm | 64705 | 2022-06-23 16:50:19 |
| R10.htm | 16983 | 2022-06-23 16:50:19 |
| R100.htm | 62757 | 2022-06-23 16:50:19 |
| R101.htm | 21972 | 2022-06-23 16:50:19 |
| R102.htm | 15675 | 2022-06-23 16:50:19 |
| R103.htm | 9753 | 2022-06-23 16:50:19 |
| R104.htm | 56355 | 2022-06-23 16:50:19 |
| R105.htm | 16544 | 2022-06-23 16:50:19 |
| R106.htm | 52475 | 2022-06-23 16:50:19 |
| R11.htm | 16264 | 2022-06-23 16:50:19 |
| R12.htm | 65177 | 2022-06-23 16:50:19 |
| R13.htm | 19262 | 2022-06-23 16:50:19 |
| R14.htm | 64185 | 2022-06-23 16:50:19 |
| R15.htm | 98619 | 2022-06-23 16:50:19 |
| R16.htm | 8620 | 2022-06-23 16:50:19 |
| R17.htm | 83067 | 2022-06-23 16:50:19 |
| R18.htm | 31802 | 2022-06-23 16:50:19 |
| R19.htm | 48733 | 2022-06-23 16:50:19 |
| R2.htm | 7871 | 2022-06-23 16:50:19 |
| R20.htm | 30121 | 2022-06-23 16:50:19 |
| R21.htm | 21244 | 2022-06-23 16:50:19 |
| R22.htm | 6100 | 2022-06-23 16:50:19 |
| R23.htm | 6933 | 2022-06-23 16:50:19 |
| R24.htm | 114980 | 2022-06-23 16:50:19 |
| R25.htm | 25208 | 2022-06-23 16:50:19 |
| R26.htm | 24212 | 2022-06-23 16:50:19 |
| R27.htm | 48212 | 2022-06-23 16:50:19 |
| R28.htm | 5021 | 2022-06-23 16:50:19 |
| R29.htm | 121573 | 2022-06-23 16:50:19 |
| R3.htm | 111071 | 2022-06-23 16:50:19 |
| R30.htm | 20547 | 2022-06-23 16:50:19 |
| R31.htm | 85285 | 2022-06-23 16:50:19 |
| R32.htm | 18614 | 2022-06-23 16:50:19 |
| R33.htm | 15429 | 2022-06-23 16:50:19 |
| R34.htm | 63000 | 2022-06-23 16:50:19 |
| R35.htm | 19119 | 2022-06-23 16:50:19 |
| R36.htm | 49948 | 2022-06-23 16:50:19 |
| R37.htm | 69255 | 2022-06-23 16:50:19 |
| R38.htm | 81876 | 2022-06-23 16:50:19 |
| R39.htm | 23997 | 2022-06-23 16:50:19 |
| R4.htm | 25248 | 2022-06-23 16:50:19 |
| R40.htm | 49404 | 2022-06-23 16:50:19 |
| R41.htm | 25025 | 2022-06-23 16:50:19 |
| R42.htm | 16311 | 2022-06-23 16:50:19 |
| R43.htm | 117433 | 2022-06-23 16:50:19 |
| R44.htm | 24114 | 2022-06-23 16:50:19 |
| R45.htm | 27326 | 2022-06-23 16:50:19 |
| R46.htm | 47960 | 2022-06-23 16:50:19 |
| R47.htm | 5710 | 2022-06-23 16:50:19 |
| R48.htm | 27878 | 2022-06-23 16:50:19 |
| R49.htm | 14875 | 2022-06-23 16:50:19 |
| R5.htm | 96844 | 2022-06-23 16:50:19 |
| R50.htm | 14763 | 2022-06-23 16:50:19 |
| R51.htm | 11246 | 2022-06-23 16:50:19 |
| R52.htm | 8597 | 2022-06-23 16:50:19 |
| R53.htm | 6415 | 2022-06-23 16:50:19 |
| R54.htm | 119786 | 2022-06-23 16:50:19 |
| R55.htm | 11280 | 2022-06-23 16:50:19 |
| R56.htm | 44885 | 2022-06-23 16:50:19 |
| R57.htm | 60819 | 2022-06-23 16:50:19 |
| R58.htm | 7060 | 2022-06-23 16:50:19 |
| R59.htm | 46223 | 2022-06-23 16:50:19 |
| R6.htm | 79092 | 2022-06-23 16:50:19 |
| R60.htm | 13493 | 2022-06-23 16:50:19 |
| R61.htm | 12364 | 2022-06-23 16:50:19 |
| R62.htm | 22699 | 2022-06-23 16:50:19 |
| R63.htm | 20579 | 2022-06-23 16:50:19 |
| R64.htm | 22849 | 2022-06-23 16:50:19 |
| R65.htm | 45772 | 2022-06-23 16:50:19 |
| R66.htm | 17815 | 2022-06-23 16:50:19 |
| R67.htm | 25203 | 2022-06-23 16:50:19 |
| R68.htm | 32672 | 2022-06-23 16:50:19 |
| R69.htm | 32220 | 2022-06-23 16:50:19 |
| R7.htm | 108357 | 2022-06-23 16:50:19 |
| R70.htm | 14287 | 2022-06-23 16:50:19 |
| R71.htm | 13338 | 2022-06-23 16:50:19 |
| R72.htm | 12563 | 2022-06-23 16:50:19 |
| R73.htm | 8036 | 2022-06-23 16:50:19 |
| R74.htm | 42464 | 2022-06-23 16:50:19 |
| R75.htm | 14519 | 2022-06-23 16:50:19 |
| R76.htm | 15892 | 2022-06-23 16:50:19 |
| R77.htm | 21036 | 2022-06-23 16:50:19 |
| R78.htm | 41146 | 2022-06-23 16:50:19 |
| R79.htm | 8234 | 2022-06-23 16:50:19 |
| R8.htm | 65892 | 2022-06-23 16:50:19 |
| R80.htm | 11961 | 2022-06-23 16:50:19 |
| R81.htm | 27109 | 2022-06-23 16:50:19 |
| R82.htm | 26699 | 2022-06-23 16:50:19 |
| R83.htm | 53141 | 2022-06-23 16:50:19 |
| R84.htm | 16138 | 2022-06-23 16:50:19 |
| R85.htm | 22802 | 2022-06-23 16:50:19 |
| R86.htm | 26488 | 2022-06-23 16:50:19 |
| R87.htm | 28151 | 2022-06-23 16:50:19 |
| R88.htm | 57034 | 2022-06-23 16:50:19 |
| R89.htm | 15869 | 2022-06-23 16:50:19 |
| R9.htm | 93897 | 2022-06-23 16:50:19 |
| R90.htm | 29325 | 2022-06-23 16:50:19 |
| R91.htm | 20731 | 2022-06-23 16:50:19 |
| R92.htm | 29659 | 2022-06-23 16:50:19 |
| R93.htm | 9343 | 2022-06-23 16:50:19 |
| R94.htm | 30848 | 2022-06-23 16:50:19 |
| R95.htm | 11304 | 2022-06-23 16:50:19 |
| R96.htm | 6969 | 2022-06-23 16:50:19 |
| R97.htm | 4669 | 2022-06-23 16:50:19 |
| R98.htm | 8455 | 2022-06-23 16:50:19 |
| R99.htm | 49206 | 2022-06-23 16:50:19 |
| report.css | 2768 | 2022-06-23 16:50:19 |
| Show.js | 1086 | 2022-06-23 16:50:19 |