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Acquisitions - Togo Group Schedule of Net Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
Oct. 31, 2020
Jul. 31, 2020
Mar. 23, 2020
Oct. 31, 2019
Jul. 31, 2019
Business Acquisition [Line Items]          
Goodwill $ 1,481,283 $ 1,476,541   $ 1,361,265 $ 1,358,032
Togo Group          
Business Acquisition [Line Items]          
Cash     $ 326    
Accounts receivable     466    
Other assets     749    
Property, plant and equipment     362    
Goodwill     61,955    
Liabilities     (2,595)    
Non-controlling interest     (16,835)    
Total fair value of net assets acquired     52,608    
Togo Group | Trade names and trademarks          
Business Acquisition [Line Items]          
Amortizable intangible assets     1,130    
Togo Group | Developed technology          
Business Acquisition [Line Items]          
Amortizable intangible assets     5,700    
Togo Group | Other          
Business Acquisition [Line Items]          
Amortizable intangible assets     $ 1,350