Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018
Other Intangible Assets
Weighted-Average Useful Life	15 years 6 months	14 years 3 months 18 days
Gross Carrying Amount	$ 309,285	$ 148,865
Accumulated Amortization	(91,223)	(73,797)
Net	218,062	75,068
Non-amortizable - trade names	134,312	30,581
Total other intangible assets, gross	443,597	179,446
Total other intangible assets, net	$ 352,374	$ 105,649
Patents
Other Intangible Assets
Weighted-Average Useful Life	9 years 10 months 24 days	9 years 10 months 24 days
Gross Carrying Amount	$ 18,230	$ 18,235
Accumulated Amortization	(13,102)	(12,297)
Net	$ 5,128	$ 5,938
Non-compete agreements
Other Intangible Assets
Weighted-Average Useful Life	5 years 6 months	5 years 6 months
Gross Carrying Amount	$ 6,868	$ 6,872
Accumulated Amortization	(6,786)	(6,771)
Net	$ 82	$ 101
Customer-related
Other Intangible Assets
Weighted-Average Useful Life	18 years 4 months 24 days	18 years 6 months
Gross Carrying Amount	$ 220,390	$ 89,622
Accumulated Amortization	(33,547)	(23,653)
Net	$ 186,843	$ 65,969
Developed technology
Other Intangible Assets
Weighted-Average Useful Life	7 years 7 months 6 days	7 years 7 months 6 days
Gross Carrying Amount	$ 51,911	$ 31,029
Accumulated Amortization	(31,289)	(28,471)
Net	$ 20,622	$ 2,558
Trade names
Other Intangible Assets
Weighted-Average Useful Life	15 years 4 months 24 days	5 years
Gross Carrying Amount	$ 7,496	$ 2,307
Accumulated Amortization	(2,109)	(1,805)
Net	$ 5,387	$ 502
Backlog and other
Other Intangible Assets
Weighted-Average Useful Life	7 months 6 days	1 year
Gross Carrying Amount	$ 4,390	$ 800
Accumulated Amortization	(4,390)	(800)
Net	$ 0	$ 0