Business Combinations - Summary of Intangible Assets, The Charles Machine Works (Details) - USD ($) $ in Thousands		6 Months Ended		13 Months Ended
	Oct. 31, 2019	May 01, 2020	May 03, 2019	May 01, 2020
Business Acquisition [Line Items]
Weighted-Average Useful Life	15 years 6 months	15 years 6 months	15 years 1 month 6 days
Gross Carrying Amount	$ 309,285	$ 328,195	$ 291,482	$ 328,195
Accumulated Amortization	(91,223)	(100,736)	(79,336)	(100,736)
Net	218,062	227,459	212,146	227,459
Total other intangible assets, gross	443,597	518,622	412,513	518,622
Total other intangible assets, net	$ 352,374	417,886	$ 333,177	$ 417,886
The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life				16 years 7 months 6 days
Gross Carrying Amount		160,490		$ 160,490
Accumulated Amortization		(17,027)		(17,027)
Net		143,463		143,463
Total other intangible assets, gross		264,190		264,190
Total other intangible assets, net		247,163		$ 247,163
Customer-related | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life				18 years 3 months 18 days
Gross Carrying Amount		130,800		$ 130,800
Accumulated Amortization		(9,405)		(9,405)
Net		$ 121,395		121,395
Developed technology
Business Acquisition [Line Items]
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	$ 51,911	$ 51,854	$ 50,338	51,854
Accumulated Amortization	(31,289)	(33,199)	(29,292)	(33,199)
Net	$ 20,622	18,655	$ 21,046	$ 18,655
Developed technology | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life				7 years 9 months 18 days
Gross Carrying Amount		20,900		$ 20,900
Accumulated Amortization		(3,750)		(3,750)
Net		$ 17,150		17,150
Trade names
Business Acquisition [Line Items]
Weighted-Average Useful Life	15 years 4 months 24 days	15 years 4 months 24 days	15 years 6 months
Gross Carrying Amount	$ 7,496	$ 7,476	$ 7,599	7,476
Accumulated Amortization	(2,109)	(2,304)	(1,903)	(2,304)
Net	$ 5,387	5,172	$ 5,696	$ 5,172
Trade names | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life				20 years
Gross Carrying Amount		5,200		$ 5,200
Accumulated Amortization		(282)		(282)
Net		4,918		$ 4,918
Backlog | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life				6 months
Gross Carrying Amount		3,590		$ 3,590
Accumulated Amortization		(3,590)		(3,590)
Net		0		0
Trade names | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Indefinite-lived - trade names		$ 103,700		$ 103,700