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SHARE-BASED COMPENSATION EXPENSE (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2021 | Aug. 01, 2020 | Jul. 31, 2021 | Aug. 01, 2020
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense capitalized in inventory, net | $ (193) | $ (114) | $ 64 | $ 39
Total share-based compensation | 22,471 | 17,259 | 62,970 | 50,838
CEWS benefit in cost of goods sold |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense | 2,352 | 1,967 | 6,429 | 5,343
Product |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense | 1,037 | 960 | 2,488 | 2,458
Service |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense | 1,315 | 1,007 | 3,941 | 2,885
CEWS benefit in operating expense |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense | 20,312 | 15,406 | 56,477 | 45,456
Research and development |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense | 5,541 | 4,286 | 16,179 | 12,957
Sales and marketing |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense | 6,534 | 5,180 | 18,960 | 15,057
General and administrative |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense | $ 8,237 | $ 5,940 | $ 21,338 | $ 17,442

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