Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 02, 2019	Aug. 03, 2018	Aug. 02, 2019	Aug. 03, 2018	Oct. 31, 2018
Other Intangible Assets
Weighted-Average Useful Life			15 years	14 years 3 months 18 days	14 years 3 months 18 days
Gross Carrying Amount	$ 285,593	$ 149,103	$ 285,593	$ 149,103	$ 148,865
Accumulated Amortization	(86,581)	(72,048)	(86,581)	(72,048)	(73,797)
Net	199,012	77,055	199,012	77,055	75,068
Non-amortizable - trade names	120,874	30,645	120,874	30,645	30,581
Total other intangible assets, gross	406,467	179,748	406,467	179,748	179,446
Total other intangible assets, net	319,886	107,700	319,886	107,700	$ 105,649
Estimated amortization expense
Amortization of other intangible assets	7,400	1,800	12,900	$ 5,400
Fiscal 2019 (remainder)	6,300		6,300
Fiscal 2020	16,100		16,100
Fiscal 2021	15,700		15,700
Fiscal 2022	15,000		15,000
Fiscal 2023	13,600		13,600
Fiscal 2024	13,000		13,000
After 2024	119,300		$ 119,300
Patents
Other Intangible Assets
Weighted-Average Useful Life			9 years 10 months 24 days	9 years 10 months 24 days	9 years 10 months 24 days
Gross Carrying Amount	18,242	18,247	$ 18,242	$ 18,247	$ 18,235
Accumulated Amortization	(12,916)	(12,103)	(12,916)	(12,103)	(12,297)
Net	5,326	6,144	$ 5,326	$ 6,144	$ 5,938
Non-compete agreements
Other Intangible Assets
Weighted-Average Useful Life			5 years 6 months	5 years 6 months	5 years 6 months
Gross Carrying Amount	6,879	6,883	$ 6,879	$ 6,883	$ 6,872
Accumulated Amortization	(6,792)	(6,776)	(6,792)	(6,776)	(6,771)
Net	87	107	$ 87	$ 107	$ 101
Customer-related
Other Intangible Assets
Weighted-Average Useful Life			18 years 3 months 18 days	18 years 6 months	18 years 6 months
Gross Carrying Amount	195,223	89,745	$ 195,223	$ 89,745	$ 89,622
Accumulated Amortization	(29,479)	(22,444)	(29,479)	(22,444)	(23,653)
Net	165,744	67,301	$ 165,744	$ 67,301	$ 65,969
Developed technology
Other Intangible Assets
Weighted-Average Useful Life			7 years 7 months 6 days	7 years 7 months 6 days	7 years 7 months 6 days
Gross Carrying Amount	50,279	31,097	$ 50,279	$ 31,097	$ 31,029
Accumulated Amortization	(30,203)	(28,165)	(30,203)	(28,165)	(28,471)
Net	20,076	2,932	$ 20,076	$ 2,932	$ 2,558
Trade names
Other Intangible Assets
Weighted-Average Useful Life			15 years 6 months	5 years	5 years
Gross Carrying Amount	7,590	2,331	$ 7,590	$ 2,331	$ 2,307
Accumulated Amortization	(2,004)	(1,760)	(2,004)	(1,760)	(1,805)
Net	5,586	571	$ 5,586	$ 571	$ 502
Backlog and other
Other Intangible Assets
Weighted-Average Useful Life			7 months 6 days	1 year	1 year
Gross Carrying Amount	7,380	800	$ 7,380	$ 800	$ 800
Accumulated Amortization	(5,187)	(800)	(5,187)	(800)	(800)
Net	$ 2,193	$ 0	$ 2,193	$ 0	$ 0