Income Taxes - Changes in Unrealized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 02, 2019	Nov. 03, 2018	Oct. 28, 2017
Changes in the total amounts of unrealized tax benefits
Unrealized tax benefits (beginning)	$ 13,256	$ 37,857	$ 68,535
Additions for tax positions related to current year	3,398	1,334	1,742
Additions for tax positions related to acquisition			12,332
Reductions for tax positions related to prior years	(18,613)	(295)	(43,186)
Reductions due to lapse of applicable statute of limitations	(924)	(25,640)	(1,566)
Unrealized tax benefits (end)	$ 34,343	$ 13,256	$ 37,857

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from acquisitions.

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