Business Combinations - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended	7 Months Ended	12 Months Ended
	Apr. 01, 2019	Oct. 31, 2019	Oct. 31, 2019	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 362,253	$ 362,253	$ 362,253	$ 225,290	$ 205,029
Amortization expense for intangible assets				18,400	7,300	9,900
Fiscal 2020		18,700	18,700	18,700
Fiscal 2021		18,300	18,300	18,300
Fiscal 2022		17,100	17,100	17,100
Fiscal 2023		15,300	15,300	15,300
Fiscal 2024		14,300	14,300	14,300
After fiscal 2024		134,400	134,400	134,400
Charles Machine Works, Inc
Business Acquisition [Line Items]
Total purchase price	$ 679,300	5,700	684,973
Business combination, acquisition related costs				10,200
Goodwill	135,521
Other intangible assets	$ 264,190	264,200	264,200	264,200
Amortization expense for intangible assets				10,700
Fiscal 2020		12,600	12,600	12,600
Fiscal 2021		12,600	12,600	12,600
Fiscal 2022		11,500	11,500	11,500
Fiscal 2023		10,100	10,100	10,100
Fiscal 2024		9,400	9,400	9,400
After fiscal 2024		93,500	93,500	93,500
Business combination, pro forma information, revenue of acquiree since acquisition date, actual				465,200
Business combination, pro forma information, earnings or loss of acquiree since acquisition date, actual				5,400
Operating Segments | Professional
Business Acquisition [Line Items]
Goodwill						$ 194,464
Operating Segments | Professional | Charles Machine Works, Inc
Business Acquisition [Line Items]
Goodwill		$ 350,250	$ 350,250	350,250	$ 214,827
Fair Value Adjustment to Inventory and Other Adjustments | Charles Machine Works, Inc
Business Acquisition [Line Items]
Business combination, pro forma information, earnings or loss of acquiree since acquisition date, actual				$ (43,000)