Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-18-005484-index-headers.html | 2018-06-28 17:26:58 | |
| 0001558370-18-005484-index.html | 2018-06-28 17:26:58 | |
| 0001558370-18-005484.txt | 2018-06-28 17:26:58 | |
 0001558370-18-005484-xbrl.zip | 276589 | 2018-06-28 17:26:58 |
| FilingSummary.xml | 62820 | 2018-06-28 17:26:58 |
| Financial_Report.xlsx | 134893 | 2018-06-28 17:26:58 |
| gms-20180430.xml | 3704916 | 2018-06-28 17:26:58 |
| gms-20180430.xsd | 85699 | 2018-06-28 17:26:58 |
| gms-20180430ex2113150f7.htm | 66377 | 2018-06-28 17:26:58 |
| gms-20180430ex23155840e.htm | 8230 | 2018-06-28 17:26:58 |
| gms-20180430ex2327ad459.htm | 4013 | 2018-06-28 17:26:58 |
| gms-20180430ex3110cae69.htm | 21936 | 2018-06-28 17:26:58 |
| gms-20180430ex3125a49b4.htm | 20955 | 2018-06-28 17:26:58 |
| gms-20180430ex3218383a2.htm | 6782 | 2018-06-28 17:26:58 |
| gms-20180430ex322dd0cc4.htm | 7207 | 2018-06-28 17:26:58 |
| gms-20180430x10k.htm | 4217655 | 2018-06-28 17:26:58 |
| gms-20180430_cal.xml | 107152 | 2018-06-28 17:26:58 |
| gms-20180430_def.xml | 374140 | 2018-06-28 17:26:58 |
| gms-20180430_lab.xml | 823109 | 2018-06-28 17:26:58 |
| gms-20180430_pre.xml | 669913 | 2018-06-28 17:26:58 |
 gms20180430x10k001.jpg | 22999 | 2018-06-28 17:26:58 |
| R1.htm | 28213 | 2018-06-28 17:26:58 |
| R10.htm | 134677 | 2018-06-28 17:26:58 |
| R100.htm | 79306 | 2018-06-28 17:26:58 |
| R11.htm | 36671 | 2018-06-28 17:26:58 |
| R12.htm | 105523 | 2018-06-28 17:26:58 |
| R13.htm | 5354 | 2018-06-28 17:26:58 |
| R14.htm | 166823 | 2018-06-28 17:26:58 |
| R15.htm | 5563 | 2018-06-28 17:26:58 |
| R16.htm | 90604 | 2018-06-28 17:26:58 |
| R17.htm | 72611 | 2018-06-28 17:26:58 |
| R18.htm | 40577 | 2018-06-28 17:26:58 |
| R19.htm | 6826 | 2018-06-28 17:26:58 |
| R2.htm | 74397 | 2018-06-28 17:26:58 |
| R20.htm | 39401 | 2018-06-28 17:26:58 |
| R21.htm | 263298 | 2018-06-28 17:26:58 |
| R22.htm | 28120 | 2018-06-28 17:26:58 |
| R23.htm | 48864 | 2018-06-28 17:26:58 |
| R24.htm | 83190 | 2018-06-28 17:26:58 |
| R25.htm | 83025 | 2018-06-28 17:26:58 |
| R26.htm | 142614 | 2018-06-28 17:26:58 |
| R27.htm | 11093 | 2018-06-28 17:26:58 |
| R28.htm | 142481 | 2018-06-28 17:26:58 |
| R29.htm | 10721 | 2018-06-28 17:26:58 |
| R3.htm | 23759 | 2018-06-28 17:26:58 |
| R30.htm | 168977 | 2018-06-28 17:26:58 |
| R31.htm | 31362 | 2018-06-28 17:26:58 |
| R32.htm | 127969 | 2018-06-28 17:26:58 |
| R33.htm | 36035 | 2018-06-28 17:26:58 |
| R34.htm | 88299 | 2018-06-28 17:26:58 |
| R35.htm | 160402 | 2018-06-28 17:26:58 |
| R36.htm | 84819 | 2018-06-28 17:26:58 |
| R37.htm | 67033 | 2018-06-28 17:26:58 |
| R38.htm | 34207 | 2018-06-28 17:26:58 |
| R39.htm | 36591 | 2018-06-28 17:26:58 |
| R4.htm | 59454 | 2018-06-28 17:26:58 |
| R40.htm | 263238 | 2018-06-28 17:26:58 |
| R41.htm | 25319 | 2018-06-28 17:26:58 |
| R42.htm | 48734 | 2018-06-28 17:26:58 |
| R43.htm | 79587 | 2018-06-28 17:26:58 |
| R44.htm | 80254 | 2018-06-28 17:26:58 |
| R45.htm | 141062 | 2018-06-28 17:26:58 |
| R46.htm | 6982 | 2018-06-28 17:26:58 |
| R47.htm | 28983 | 2018-06-28 17:26:58 |
| R48.htm | 14487 | 2018-06-28 17:26:58 |
| R49.htm | 34748 | 2018-06-28 17:26:58 |
| R5.htm | 53704 | 2018-06-28 17:26:58 |
| R50.htm | 12403 | 2018-06-28 17:26:58 |
| R51.htm | 7528 | 2018-06-28 17:26:58 |
| R52.htm | 9897 | 2018-06-28 17:26:58 |
| R53.htm | 6339 | 2018-06-28 17:26:58 |
| R54.htm | 124352 | 2018-06-28 17:26:58 |
| R55.htm | 21361 | 2018-06-28 17:26:58 |
| R56.htm | 9926 | 2018-06-28 17:26:58 |
| R57.htm | 41216 | 2018-06-28 17:26:58 |
| R58.htm | 7907 | 2018-06-28 17:26:58 |
| R59.htm | 15341 | 2018-06-28 17:26:58 |
| R6.htm | 115724 | 2018-06-28 17:26:58 |
| R60.htm | 4575 | 2018-06-28 17:26:58 |
| R61.htm | 25936 | 2018-06-28 17:26:58 |
| R62.htm | 26144 | 2018-06-28 17:26:58 |
| R63.htm | 66071 | 2018-06-28 17:26:58 |
| R64.htm | 9717 | 2018-06-28 17:26:58 |
| R65.htm | 20411 | 2018-06-28 17:26:58 |
| R66.htm | 6449 | 2018-06-28 17:26:58 |
| R67.htm | 40007 | 2018-06-28 17:26:58 |
| R68.htm | 8293 | 2018-06-28 17:26:58 |
| R69.htm | 18974 | 2018-06-28 17:26:58 |
| R7.htm | 76397 | 2018-06-28 17:26:58 |
| R70.htm | 27150 | 2018-06-28 17:26:58 |
| R71.htm | 53089 | 2018-06-28 17:26:58 |
| R72.htm | 12203 | 2018-06-28 17:26:58 |
| R73.htm | 11493 | 2018-06-28 17:26:58 |
| R74.htm | 13178 | 2018-06-28 17:26:58 |
| R75.htm | 14338 | 2018-06-28 17:26:58 |
| R76.htm | 14718 | 2018-06-28 17:26:58 |
| R77.htm | 59971 | 2018-06-28 17:26:58 |
| R78.htm | 11710 | 2018-06-28 17:26:58 |
| R79.htm | 13296 | 2018-06-28 17:26:58 |
| R8.htm | 168624 | 2018-06-28 17:26:58 |
| R80.htm | 39742 | 2018-06-28 17:26:58 |
| R81.htm | 21725 | 2018-06-28 17:26:58 |
| R82.htm | 12370 | 2018-06-28 17:26:58 |
| R83.htm | 11557 | 2018-06-28 17:26:58 |
| R84.htm | 14072 | 2018-06-28 17:26:58 |
| R85.htm | 18881 | 2018-06-28 17:26:58 |
| R86.htm | 10694 | 2018-06-28 17:26:58 |
| R87.htm | 39879 | 2018-06-28 17:26:58 |
| R88.htm | 10686 | 2018-06-28 17:26:58 |
| R89.htm | 31439 | 2018-06-28 17:26:58 |
| R9.htm | 32128 | 2018-06-28 17:26:58 |
| R90.htm | 49884 | 2018-06-28 17:26:58 |
| R91.htm | 15995 | 2018-06-28 17:26:58 |
| R92.htm | 17741 | 2018-06-28 17:26:58 |
| R93.htm | 25922 | 2018-06-28 17:26:58 |
| R94.htm | 47786 | 2018-06-28 17:26:58 |
| R95.htm | 36640 | 2018-06-28 17:26:58 |
| R96.htm | 9613 | 2018-06-28 17:26:58 |
| R97.htm | 8575 | 2018-06-28 17:26:58 |
| R98.htm | 17028 | 2018-06-28 17:26:58 |
| R99.htm | 35877 | 2018-06-28 17:26:58 |
| report.css | 2768 | 2018-06-28 17:26:58 |
| Show.js | 1411 | 2018-06-28 17:26:58 |