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Business Combinations - Additional Information (Details)
$ / shares in Units, shares in Thousands
3 Months Ended 9 Months Ended
Jul. 31, 2019
USD ($)
shares
Jul. 31, 2019
EUR (€)
shares
Jun. 05, 2019
USD ($)
Apr. 16, 2019
USD ($)
Apr. 16, 2019
EUR (€)
Sep. 27, 2019
USD ($)
Sep. 28, 2018
USD ($)
Sep. 27, 2019
USD ($)
Sep. 28, 2018
USD ($)
Jul. 29, 2020
USD ($)
Jul. 29, 2020
EUR (€)
Jul. 31, 2019
EUR (€)
Jul. 30, 2019
$ / shares
Apr. 16, 2019
EUR (€)
Dec. 31, 2018
USD ($)
Business Acquisition [Line Items]                              
Businesses combination in common shares           $ 10,900,000   $ 10,900,000              
Deferred cash consideration           27,027,000   27,027,000              
Goodwill           268,741,000   268,741,000             $ 217,662,000
Acquisition costs           4,080,000 $ 2,204,000 7,077,000 $ 3,680,000            
Revolving Credit Facility                              
Business Acquisition [Line Items]                              
Amount borrowing under finance acquisition               66,800,000              
ARGES GmbH                              
Business Acquisition [Line Items]                              
Percentage of shares acquired 100.00%                     100.00%      
Purchase price $ 72,929,000                     € 65,500,000      
Business acquisition, date of acquisition Jul. 31, 2019 Jul. 31, 2019                          
Cash consideration $ 26,700,000 € 24,000,000.0                          
Businesses combination in common shares $ 10,900,000 € 9,800,000                          
Business combination number of shares acquired | shares 124 124                          
Business acquisition, closing market price per share | $ / shares                         $ 87.58    
Fair value of contingent consideration $ 7,870,000                     7,100,000      
Deferred cash consideration 27,442,000                            
Undiscounted low range of contingent consideration | €                       0      
Undiscounted high range of contingent consideration | €                       € 10,000,000.0      
Intangible Assets Estimated Fair Value 24,713,000                            
Goodwill 42,355,000                            
Goodwill assets expected to be deductible for tax purposes $ 0                            
Revenues               1,900,000              
Income (loss) before income taxes               1,400,000              
Amortization of inventory fair value adjustments and purchased intangible assets               900,000              
ARGES GmbH | Forecast                              
Business Acquisition [Line Items]                              
Deferred cash consideration                   $ 27,400,000 € 24,700,000        
Med X Change, Inc                              
Business Acquisition [Line Items]                              
Percentage of shares acquired     100.00%                        
Cash consideration     $ 21,900,000                        
Med X Change, Inc | Revolving Credit Facility                              
Business Acquisition [Line Items]                              
Amount borrowing under finance acquisition     $ 21,000,000.0                        
Ingenia-CAT, S.L.                              
Business Acquisition [Line Items]                              
Percentage of shares acquired       100.00%                   100.00%  
Purchase price       $ 16,200,000                   € 14,300,000  
Cash consideration       9,600,000 € 8,500,000                    
Fair value of contingent consideration       6,600,000                   5,800,000  
Undiscounted low range of contingent consideration | €                           0  
Undiscounted high range of contingent consideration | €                           8,000,000.0  
Purchase price heldback       $ 900,000                   € 800,000  
Expiration period       2021-10 2021-10                    
Med X Change, Inc and Ingenia-CAT, S.L.                              
Business Acquisition [Line Items]                              
Purchase price           38,059,000   38,059,000              
Fair value of contingent consideration           6,569,000   6,569,000              
Purchase price heldback           905,000   905,000              
Intangible Assets Estimated Fair Value           22,376,000   22,376,000              
Goodwill           13,539,000   13,539,000              
Goodwill assets expected to be deductible for tax purposes           $ 6,200,000   6,200,000              
Revenues               4,000,000.0              
Income (loss) before income taxes               (100,000)              
Amortization of inventory fair value adjustments and purchased intangible assets               1,000,000.0              
ARGES GmbH, Med X Change, Inc and Ingenia-CAT, S.L.                              
Business Acquisition [Line Items]                              
Acquisition costs               $ 1,400,000