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Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 02, 2021
Jun. 27, 2020
Mar. 28, 2020
Jan. 02, 2021
Dec. 28, 2019
Dec. 29, 2018
Finite-Lived Intangible Assets [Line Items]            
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life       12 years    
Accumulated Amortization $ 36,666     $ 36,666 $ 30,148  
Cost of patents, Gross 8,200     8,200 6,100  
Cost of trademarks, Gross 900     900 700  
Patents And Trademarks            
Finite-Lived Intangible Assets [Line Items]            
Accumulated Amortization 7,500     7,500 4,400 $ 4,800
Total renewal costs capitalized       1,300 1,300  
Patents            
Finite-Lived Intangible Assets [Line Items]            
Accumulated Amortization 10,763     $ 10,763 9,251  
Weighted average number of years until the next renewal       1 year    
Trademarks            
Finite-Lived Intangible Assets [Line Items]            
Accumulated Amortization 3,999     $ 3,999 2,195  
Weighted average number of years until the next renewal       6 years    
Trademarks | Connected Care Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill     $ 1,700      
Trademarks | TNI Medical AG Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill   $ 2,400        
Trademarks | LiDCO Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill 2,300          
Customer relationships            
Finite-Lived Intangible Assets [Line Items]            
Accumulated Amortization 6,486     $ 6,486 5,688  
Customer relationships | Connected Care Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill     15,500      
Customer relationships | TNI Medical AG Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill   400        
Customer relationships | LiDCO Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill 1,000          
Acquired technologies            
Finite-Lived Intangible Assets [Line Items]            
Accumulated Amortization 5,259     5,259 4,182  
Acquired technologies | Connected Care Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill     $ 2,600      
Acquired technologies | TNI Medical AG Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill   6,300        
Acquired technologies | LiDCO Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill 14,000          
Other            
Finite-Lived Intangible Assets [Line Items]            
Accumulated Amortization 999     $ 999 $ 711  
Other | TNI Medical AG Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill   $ 300        
Other | LiDCO Acquisition [Member]            
Finite-Lived Intangible Assets [Line Items]            
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill $ 1,000