Inventories (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Nov. 01, 2018	Oct. 31, 2018
Inventory Disclosure [Abstract]
Raw materials	$ 75,525			$ 67,468
Work-in-process	10,045			9,589
Finished goods	225,937			188,575
Deferred cost of goods sold	60,616			48,057
Inventories before provision	372,123			313,689
Provision for excess and obsolescence	(49,017)			(50,938)
Total inventories	323,106		$ 260,265	$ 262,751
Provisions	$ 4,673	$ 6,804