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Acquisitions (Fair Value of Assets Acquired and Liabilities Assumed) (Details) - USD ($)
 3 Months Ended
Jul. 31, 2021
Oct. 31, 2021
Jan. 31, 2022
Mar. 02, 2021
Preliminary allocation of aggregate purchase price:        
Goodwill $ 347,698,000   $ 347,692,000  
UHP        
Business Acquisition [Line Items]        
Initial upfront payment   $ 23,979,000   $ 23,979,000
Hold-back amount   4,991,000   4,991,000
Contingent earn-out consideration   8,500,000   $ 8,500,000
Aggregate purchase price $ 37,470,000 37,470,000    
Preliminary allocation of aggregate purchase price:        
Cash and cash equivalents   1,391,000    
Current assets   1,367,000    
Property, plant and equipment   10,000    
Deferred tax assets   310,000    
Contract liabilities   (648,000)    
Accrued warranty obligations   (750,000)    
Other current liabilities   (1,175,000)    
Non-current liabilities   (160,000)    
Net tangible assets at preliminary fair value   345,000    
Deferred tax liabilities   (8,374,000)    
Goodwill   13,899,000    
Preliminary allocation of aggregate purchase price   37,470,000    
UHP | Technology        
Preliminary allocation of aggregate purchase price:        
Identifiable intangible assets   $ 15,300,000    
Estimated Useful Lives   15 years    
UHP | Customer relationships        
Preliminary allocation of aggregate purchase price:        
Identifiable intangible assets   $ 15,500,000    
Estimated Useful Lives   15 years    
UHP | Trade name        
Preliminary allocation of aggregate purchase price:        
Identifiable intangible assets   $ 800,000    
Estimated Useful Lives   20 years