Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001045309-20-000107-index-headers.html | 2020-08-05 11:34:02 | |
| 0001045309-20-000107-index.html | 2020-08-05 11:34:02 | |
| 0001045309-20-000107.txt | 2020-08-05 11:34:02 | |
 0001045309-20-000107-xbrl.zip | 711861 | 2020-08-05 11:34:02 |
| a2q20exhibit31i1.htm | 14205 | 2020-08-05 11:34:02 |
| a2q20exhibit31i2.htm | 14355 | 2020-08-05 11:34:02 |
| a2q20exhibit32.htm | 7218 | 2020-08-05 11:34:02 |
| a2q20exhibit95.htm | 29807 | 2020-08-05 11:34:02 |
| a2q20form10-q.htm | 3085390 | 2020-08-05 11:34:02 |
| a2q20form10-q_htm.xml | 3135877 | 2020-08-05 11:34:02 |
 chart-11e0a7f2231c56ab9d6.jpg | 21938 | 2020-08-05 11:34:02 |
 chart-3198ba456b1e55eba6d.jpg | 22876 | 2020-08-05 11:34:02 |
 chart-33241a15b18e5bb6b89.jpg | 22540 | 2020-08-05 11:34:02 |
 chart-3a467410c6755825929.jpg | 22260 | 2020-08-05 11:34:02 |
 chart-449fbe83ec2a368cb3e.jpg | 16394 | 2020-08-05 11:34:02 |
 chart-4d16f70ce86356eca64.jpg | 23400 | 2020-08-05 11:34:02 |
 chart-545d1f388a6d7e96176.jpg | 22078 | 2020-08-05 11:34:02 |
 chart-556572a8dc48d2c93fe.jpg | 22208 | 2020-08-05 11:34:02 |
 chart-57c13d985357f315207.jpg | 22710 | 2020-08-05 11:34:02 |
 chart-58105f5811945464b4a.jpg | 15585 | 2020-08-05 11:34:02 |
 chart-7e8dc9c2e66ac002359.jpg | 23205 | 2020-08-05 11:34:02 |
 chart-8b1f3020ca5f569f974.jpg | 16936 | 2020-08-05 11:34:02 |
 chart-9793368b782d57e8ac1.jpg | 22529 | 2020-08-05 11:34:02 |
 chart-c6ae833217992b14697.jpg | 22543 | 2020-08-05 11:34:02 |
 chart-e6516733932b56c1a1d.jpg | 22102 | 2020-08-05 11:34:02 |
 chart-e73ebb412c25a5a1f4d.jpg | 22616 | 2020-08-05 11:34:02 |
 chart-f0097907e0e0704fefc.jpg | 23274 | 2020-08-05 11:34:02 |
 chart-f6da044231f25fb4b7a.jpg | 20853 | 2020-08-05 11:34:02 |
| FilingSummary.xml | 44156 | 2020-08-05 11:34:02 |
| Financial_Report.xlsx | 118455 | 2020-08-05 11:34:02 |
| gra-20200806.xsd | 67868 | 2020-08-05 11:34:02 |
| gra-20200806_cal.xml | 122283 | 2020-08-05 11:34:02 |
| gra-20200806_def.xml | 381402 | 2020-08-05 11:34:02 |
| gra-20200806_lab.xml | 944877 | 2020-08-05 11:34:02 |
| gra-20200806_pre.xml | 586947 | 2020-08-05 11:34:02 |
| MetaLinks.json | 880053 | 2020-08-05 11:34:02 |
| R1.htm | 52346 | 2020-08-05 11:34:02 |
| R10.htm | 37716 | 2020-08-05 11:34:02 |
| R11.htm | 307361 | 2020-08-05 11:34:02 |
| R12.htm | 9069 | 2020-08-05 11:34:02 |
| R13.htm | 67584 | 2020-08-05 11:34:02 |
| R14.htm | 55257 | 2020-08-05 11:34:02 |
| R15.htm | 33270 | 2020-08-05 11:34:02 |
| R16.htm | 32422 | 2020-08-05 11:34:02 |
| R17.htm | 32308 | 2020-08-05 11:34:02 |
| R18.htm | 99896 | 2020-08-05 11:34:02 |
| R19.htm | 36211 | 2020-08-05 11:34:02 |
| R2.htm | 84460 | 2020-08-05 11:34:02 |
| R20.htm | 175745 | 2020-08-05 11:34:02 |
| R21.htm | 108896 | 2020-08-05 11:34:02 |
| R22.htm | 85867 | 2020-08-05 11:34:02 |
| R23.htm | 5403 | 2020-08-05 11:34:02 |
| R24.htm | 5921 | 2020-08-05 11:34:02 |
| R25.htm | 20495 | 2020-08-05 11:34:02 |
| R26.htm | 15272 | 2020-08-05 11:34:02 |
| R27.htm | 30105 | 2020-08-05 11:34:02 |
| R28.htm | 304786 | 2020-08-05 11:34:02 |
| R29.htm | 60907 | 2020-08-05 11:34:02 |
| R3.htm | 38162 | 2020-08-05 11:34:02 |
| R30.htm | 55202 | 2020-08-05 11:34:02 |
| R31.htm | 30982 | 2020-08-05 11:34:02 |
| R32.htm | 30641 | 2020-08-05 11:34:02 |
| R33.htm | 100757 | 2020-08-05 11:34:02 |
| R34.htm | 32155 | 2020-08-05 11:34:02 |
| R35.htm | 171469 | 2020-08-05 11:34:02 |
| R36.htm | 106537 | 2020-08-05 11:34:02 |
| R37.htm | 62185 | 2020-08-05 11:34:02 |
| R38.htm | 4920 | 2020-08-05 11:34:02 |
| R39.htm | 18650 | 2020-08-05 11:34:02 |
| R4.htm | 106408 | 2020-08-05 11:34:02 |
| R40.htm | 31167 | 2020-08-05 11:34:02 |
| R41.htm | 43845 | 2020-08-05 11:34:02 |
| R42.htm | 18873 | 2020-08-05 11:34:02 |
| R43.htm | 37706 | 2020-08-05 11:34:02 |
| R44.htm | 37452 | 2020-08-05 11:34:02 |
| R45.htm | 38516 | 2020-08-05 11:34:02 |
| R46.htm | 37338 | 2020-08-05 11:34:02 |
| R47.htm | 39121 | 2020-08-05 11:34:02 |
| R48.htm | 37510 | 2020-08-05 11:34:02 |
| R49.htm | 11371 | 2020-08-05 11:34:02 |
| R5.htm | 102036 | 2020-08-05 11:34:02 |
| R50.htm | 43220 | 2020-08-05 11:34:02 |
| R51.htm | 15493 | 2020-08-05 11:34:02 |
| R52.htm | 67255 | 2020-08-05 11:34:02 |
| R53.htm | 72941 | 2020-08-05 11:34:02 |
| R54.htm | 9828 | 2020-08-05 11:34:02 |
| R55.htm | 12918 | 2020-08-05 11:34:02 |
| R56.htm | 10507 | 2020-08-05 11:34:02 |
| R57.htm | 9374 | 2020-08-05 11:34:02 |
| R58.htm | 23743 | 2020-08-05 11:34:02 |
| R59.htm | 23110 | 2020-08-05 11:34:02 |
| R6.htm | 20001 | 2020-08-05 11:34:02 |
| R60.htm | 46973 | 2020-08-05 11:34:02 |
| R61.htm | 53416 | 2020-08-05 11:34:02 |
| R62.htm | 10753 | 2020-08-05 11:34:02 |
| R63.htm | 77133 | 2020-08-05 11:34:02 |
| R64.htm | 9901 | 2020-08-05 11:34:02 |
| R65.htm | 18986 | 2020-08-05 11:34:02 |
| R66.htm | 4335 | 2020-08-05 11:34:02 |
| R67.htm | 57038 | 2020-08-05 11:34:02 |
| R68.htm | 21852 | 2020-08-05 11:34:02 |
| R69.htm | 128720 | 2020-08-05 11:34:02 |
| R7.htm | 61267 | 2020-08-05 11:34:02 |
| R70.htm | 4975 | 2020-08-05 11:34:02 |
| R71.htm | 19049 | 2020-08-05 11:34:02 |
| R8.htm | 16037 | 2020-08-05 11:34:02 |
| R9.htm | 15407 | 2020-08-05 11:34:02 |
| report.css | 2768 | 2020-08-05 11:34:02 |
| Show.js | 1086 | 2020-08-05 11:34:02 |