Share-Based Compensation Expense - Components of Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Share-based compensation expense
Share-based compensation expense capitalized in inventory, net	$ (57)	$ 101	$ (77)
Total share-based compensation	59,736	52,972	48,360
Share-based compensation expense included in cost of goods sold
Share-based compensation expense
Share-based compensation expense included in operating expense	6,043	5,600	5,159
Product cost of goods sold
Share-based compensation expense
Share-based compensation expense included in operating expense	2,868	2,984	2,672
Service cost of goods sold
Share-based compensation expense
Share-based compensation expense included in operating expense	3,175	2,616	2,487
Share-based compensation expense included in operating expense
Share-based compensation expense
Share-based compensation expense included in operating expense	53,636	47,473	43,124
Research and development
Share-based compensation expense
Share-based compensation expense included in operating expense	14,321	13,518	12,957
Sales and marketing
Share-based compensation expense
Share-based compensation expense included in operating expense	16,474	14,246	12,846
General and administrative
Share-based compensation expense
Share-based compensation expense included in operating expense	$ 22,841	$ 19,709	$ 17,321

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of noncash expense for share-based payment arrangement.

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