Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-16-013760-index-headers.html | 2016-02-29 17:57:17 | |
| 0001564590-16-013760-index.html | 2016-02-29 17:57:17 | |
| 0001564590-16-013760.txt | 2016-02-29 17:57:17 | |
 0001564590-16-013760-xbrl.zip | 320744 | 2016-02-29 17:57:17 |
| FilingSummary.xml | 57967 | 2016-02-29 17:57:17 |
| Financial_Report.xlsx | 127410 | 2016-02-29 17:57:17 |
 g201602292237214991321.jpg | 24346 | 2016-02-29 17:57:17 |
 g201602292237214991322.jpg | 28850 | 2016-02-29 17:57:17 |
 g201602292237215151323.jpg | 33204 | 2016-02-29 17:57:17 |
 g201602292237215301324.jpg | 59035 | 2016-02-29 17:57:17 |
 g201602292237390391796.jpg | 4707 | 2016-02-29 17:57:17 |
 g201602292237447431797.jpg | 36014 | 2016-02-29 17:57:17 |
| gldd-10k_20151231.htm | 7253521 | 2016-02-29 17:57:17 |
| gldd-20151231.xml | 7959098 | 2016-02-29 17:57:17 |
| gldd-20151231.xsd | 88980 | 2016-02-29 17:57:17 |
| gldd-20151231_cal.xml | 144021 | 2016-02-29 17:57:17 |
| gldd-20151231_def.xml | 362514 | 2016-02-29 17:57:17 |
| gldd-20151231_lab.xml | 696650 | 2016-02-29 17:57:17 |
| gldd-20151231_pre.xml | 604193 | 2016-02-29 17:57:17 |
| gldd-ex1016_542.htm | 97710 | 2016-02-29 17:57:17 |
| gldd-ex121_17.htm | 122335 | 2016-02-29 17:57:17 |
| gldd-ex211_18.htm | 21650 | 2016-02-29 17:57:17 |
| gldd-ex231_15.htm | 2553 | 2016-02-29 17:57:17 |
| gldd-ex232_14.htm | 2176 | 2016-02-29 17:57:17 |
| gldd-ex233_16.htm | 2353 | 2016-02-29 17:57:17 |
| gldd-ex234_13.htm | 2811 | 2016-02-29 17:57:17 |
| gldd-ex311_12.htm | 16036 | 2016-02-29 17:57:17 |
| gldd-ex312_11.htm | 15337 | 2016-02-29 17:57:17 |
| gldd-ex321_10.htm | 7220 | 2016-02-29 17:57:17 |
| gldd-ex322_9.htm | 7261 | 2016-02-29 17:57:17 |
| gldd-ex991_1069.htm | 386327 | 2016-02-29 17:57:17 |
| gldd-ex992_1068.htm | 618112 | 2016-02-29 17:57:17 |
| gldd-ex993_693.htm | 45568 | 2016-02-29 17:57:17 |
| R1.htm | 29980 | 2016-02-29 17:57:17 |
| R10.htm | 73147 | 2016-02-29 17:57:17 |
| R11.htm | 73095 | 2016-02-29 17:57:17 |
| R12.htm | 7178 | 2016-02-29 17:57:17 |
| R13.htm | 105349 | 2016-02-29 17:57:17 |
| R14.htm | 45370 | 2016-02-29 17:57:17 |
| R15.htm | 115050 | 2016-02-29 17:57:17 |
| R16.htm | 40174 | 2016-02-29 17:57:17 |
| R17.htm | 71108 | 2016-02-29 17:57:17 |
| R18.htm | 150525 | 2016-02-29 17:57:17 |
| R19.htm | 288621 | 2016-02-29 17:57:17 |
| R2.htm | 86072 | 2016-02-29 17:57:17 |
| R20.htm | 119069 | 2016-02-29 17:57:17 |
| R21.htm | 9084 | 2016-02-29 17:57:17 |
| R22.htm | 33142 | 2016-02-29 17:57:17 |
| R23.htm | 77014 | 2016-02-29 17:57:17 |
| R24.htm | 8460 | 2016-02-29 17:57:17 |
| R25.htm | 68852 | 2016-02-29 17:57:17 |
| R26.htm | 222337 | 2016-02-29 17:57:17 |
| R27.htm | 2214432 | 2016-02-29 17:57:17 |
| R28.htm | 169057 | 2016-02-29 17:57:17 |
| R29.htm | 1908505 | 2016-02-29 17:57:17 |
| R3.htm | 11749 | 2016-02-29 17:57:17 |
| R30.htm | 10878 | 2016-02-29 17:57:17 |
| R31.htm | 70914 | 2016-02-29 17:57:17 |
| R32.htm | 105592 | 2016-02-29 17:57:17 |
| R33.htm | 44056 | 2016-02-29 17:57:17 |
| R34.htm | 108619 | 2016-02-29 17:57:17 |
| R35.htm | 39610 | 2016-02-29 17:57:17 |
| R36.htm | 63456 | 2016-02-29 17:57:17 |
| R37.htm | 147308 | 2016-02-29 17:57:17 |
| R38.htm | 290056 | 2016-02-29 17:57:17 |
| R39.htm | 115836 | 2016-02-29 17:57:17 |
| R4.htm | 80433 | 2016-02-29 17:57:17 |
| R40.htm | 23030 | 2016-02-29 17:57:17 |
| R41.htm | 78761 | 2016-02-29 17:57:17 |
| R42.htm | 66667 | 2016-02-29 17:57:17 |
| R43.htm | 218505 | 2016-02-29 17:57:17 |
| R44.htm | 18173 | 2016-02-29 17:57:17 |
| R45.htm | 16937 | 2016-02-29 17:57:17 |
| R46.htm | 7244 | 2016-02-29 17:57:17 |
| R47.htm | 27519 | 2016-02-29 17:57:17 |
| R48.htm | 10050 | 2016-02-29 17:57:17 |
| R49.htm | 22564 | 2016-02-29 17:57:17 |
| R5.htm | 23625 | 2016-02-29 17:57:17 |
| R50.htm | 19334 | 2016-02-29 17:57:17 |
| R51.htm | 5356 | 2016-02-29 17:57:17 |
| R52.htm | 19360 | 2016-02-29 17:57:17 |
| R53.htm | 4612 | 2016-02-29 17:57:17 |
| R54.htm | 22644 | 2016-02-29 17:57:17 |
| R55.htm | 15455 | 2016-02-29 17:57:17 |
| R56.htm | 22299 | 2016-02-29 17:57:17 |
| R57.htm | 22833 | 2016-02-29 17:57:17 |
| R58.htm | 25259 | 2016-02-29 17:57:17 |
| R59.htm | 129631 | 2016-02-29 17:57:17 |
| R6.htm | 8245 | 2016-02-29 17:57:17 |
| R60.htm | 18843 | 2016-02-29 17:57:17 |
| R61.htm | 7839 | 2016-02-29 17:57:17 |
| R62.htm | 35564 | 2016-02-29 17:57:17 |
| R63.htm | 8857 | 2016-02-29 17:57:17 |
| R64.htm | 10311 | 2016-02-29 17:57:17 |
| R65.htm | 17222 | 2016-02-29 17:57:17 |
| R66.htm | 16781 | 2016-02-29 17:57:17 |
| R67.htm | 11317 | 2016-02-29 17:57:17 |
| R68.htm | 9214 | 2016-02-29 17:57:17 |
| R69.htm | 21813 | 2016-02-29 17:57:17 |
| R7.htm | 60631 | 2016-02-29 17:57:17 |
| R70.htm | 29469 | 2016-02-29 17:57:17 |
| R71.htm | 29717 | 2016-02-29 17:57:17 |
| R72.htm | 11583 | 2016-02-29 17:57:17 |
| R73.htm | 36421 | 2016-02-29 17:57:17 |
| R74.htm | 42103 | 2016-02-29 17:57:17 |
| R75.htm | 11697 | 2016-02-29 17:57:17 |
| R76.htm | 35312 | 2016-02-29 17:57:17 |
| R77.htm | 27322 | 2016-02-29 17:57:17 |
| R78.htm | 12576 | 2016-02-29 17:57:17 |
| R79.htm | 33121 | 2016-02-29 17:57:17 |
| R8.htm | 150513 | 2016-02-29 17:57:17 |
| R80.htm | 19422 | 2016-02-29 17:57:17 |
| R81.htm | 19783 | 2016-02-29 17:57:17 |
| R82.htm | 24289 | 2016-02-29 17:57:17 |
| R83.htm | 17293 | 2016-02-29 17:57:17 |
| R84.htm | 49583 | 2016-02-29 17:57:17 |
| R85.htm | 20771 | 2016-02-29 17:57:17 |
| R86.htm | 19022 | 2016-02-29 17:57:17 |
| R87.htm | 31840 | 2016-02-29 17:57:17 |
| R88.htm | 34997 | 2016-02-29 17:57:17 |
| R89.htm | 18217 | 2016-02-29 17:57:17 |
| R9.htm | 37203 | 2016-02-29 17:57:17 |
| R90.htm | 11916 | 2016-02-29 17:57:17 |
| R91.htm | 10630 | 2016-02-29 17:57:17 |
| R92.htm | 130040 | 2016-02-29 17:57:17 |
| R93.htm | 88541 | 2016-02-29 17:57:17 |
| R94.htm | 119817 | 2016-02-29 17:57:17 |
| R95.htm | 17260 | 2016-02-29 17:57:17 |
| report.css | 2768 | 2016-02-29 17:57:17 |
| Show.js | 1411 | 2016-02-29 17:57:17 |