Business Combination - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended		12 Months Ended
	May 03, 2019	May 03, 2019	May 04, 2018	Oct. 31, 2018
Business Acquisition [Line Items]
Weighted-Average Useful Life		15 years 1 month 6 days	14 years 2 months 12 days	14 years 3 months 18 days
Gross Carrying Amount	$ 291,482	$ 291,482	$ 149,410	$ 148,865
Accumulated Amortization	(79,336)	(79,336)	(70,423)	(73,797)
Net	212,146	212,146	78,987	75,068
Total other intangible assets, gross	412,513	412,513	180,133	179,446
Total other intangible assets, net	$ 333,177	333,177	$ 109,710	$ 105,649
The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life	16 years
Gross Carrying Amount	$ 142,580	142,580
Accumulated Amortization	(1,961)	(1,961)
Net	140,619	140,619
Total other intangible assets, gross	232,980	232,980
Total other intangible assets, net	$ 231,019	231,019
Customer-related | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life	18 years 1 month 6 days
Gross Carrying Amount	$ 111,400	111,400
Accumulated Amortization	(576)	(576)
Net	110,824	$ 110,824
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	50,338	$ 50,338	$ 31,180	$ 31,029
Accumulated Amortization	(29,292)	(29,292)	(27,872)	(28,471)
Net	$ 21,046	21,046	$ 3,308	$ 2,558
Developed technology | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life	7 years 8 months 12 days
Gross Carrying Amount	$ 19,300	19,300
Accumulated Amortization	(266)	(266)
Net	19,034	$ 19,034
Trade names
Business Acquisition [Line Items]
Weighted-Average Useful Life		15 years 6 months	5 years	5 years
Gross Carrying Amount	7,599	$ 7,599	$ 2,351	$ 2,307
Accumulated Amortization	(1,903)	(1,903)	(1,724)	(1,805)
Net	$ 5,696	5,696	$ 627	$ 502
Trade names | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life	20 years
Gross Carrying Amount	$ 5,300	5,300
Accumulated Amortization	(22)	(22)
Net	$ 5,278	5,278
Backlog | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Weighted-Average Useful Life	6 months
Gross Carrying Amount	$ 6,580	6,580
Accumulated Amortization	(1,097)	(1,097)
Net	5,483	5,483
Trade names | The Charles Machine Works, Inc.
Business Acquisition [Line Items]
Non-amortizable - trade names	$ 90,400	$ 90,400