Business Combinations - Narrative (Details) - USD ($)			3 Months Ended			5 Months Ended	9 Months Ended		12 Months Ended
	Mar. 02, 2020	Apr. 01, 2019	Jul. 31, 2020	Oct. 31, 2019	Aug. 02, 2019	Jul. 31, 2020	Jul. 31, 2020	Aug. 02, 2019	Oct. 31, 2021
Business Acquisition [Line Items]
Business combination, consideration transferred, holdback expired			$ 4,500,000
Goodwill			424,228,000	$ 362,253,000	$ 380,503,000	$ 424,228,000	$ 424,228,000	$ 380,503,000
Purchase price allocation adjustment							(866,000)
Amortization of other intangible assets			5,000,000.0		7,400,000		14,600,000	12,900,000
Fiscal 2020 (remainder)			4,900,000			4,900,000	4,900,000
Fiscal 2021			19,500,000			19,500,000	19,500,000
Fiscal 2022			18,300,000			18,300,000	18,300,000
Fiscal 2023			16,500,000			16,500,000	16,500,000
Fiscal 2024			15,500,000			15,500,000	15,500,000
Fiscal 2025			13,900,000			13,900,000	13,900,000
After 2025			134,100,000			134,100,000	134,100,000
Scenario, Forecast
Business Acquisition [Line Items]
Business combination, consideration transferred, holdback									$ 25,000,000.0
Venture Products, Inc Affiliate
Business Acquisition [Line Items]
Payments to acquire businesses, gross	$ 136,400,000
Business combination, consideration transferred, holdback	29,500,000
Total CMW purchase price	163,225,000		163,200,000
Business combination, acquisition related costs			0				600,000
Goodwill	62,252,000
Purchase price allocation adjustment						(2,900,000)
Other intangible assets	75,300,000
Amortization of other intangible assets			300,000				500,000
Fiscal 2020 (remainder)			300,000			300,000	300,000
Fiscal 2021			1,200,000			1,200,000	1,200,000
Fiscal 2022			1,200,000			1,200,000	1,200,000
Fiscal 2023			1,200,000			1,200,000	1,200,000
Fiscal 2024			1,200,000			1,200,000	1,200,000
Fiscal 2025			1,200,000			1,200,000	1,200,000
After 2025			12,300,000			12,300,000	12,300,000
Revenue of acquiree since acquisition date			21,200,000				32,500,000
The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Total CMW purchase price		$ 684,973,000		685,000,000.0
Business combination, acquisition related costs				10,200,000	$ 500,000			$ 10,200,000
Goodwill		134,657,000
Purchase price allocation adjustment			(900,000)
Other intangible assets		264,190,000
Professional | Venture Products, Inc Affiliate
Business Acquisition [Line Items]
Goodwill			$ 412,200,000	$ 350,300,000		$ 412,200,000	$ 412,200,000
Previously Reported | Venture Products, Inc Affiliate
Business Acquisition [Line Items]
Preliminary purchase price	$ 165,900,000
Previously Reported | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Preliminary purchase price		$ 679,300,000