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Business Segment Information - Summary of Net Sales for Company's Products and Services (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 01, 2023
Apr. 02, 2022
Disaggregation of Revenue [Line Items]    
Total net sales $ 684,674 $ 690,572
Waters Instrument Systems [Member]    
Disaggregation of Revenue [Line Items]    
Total net sales 244,211 269,962
Chemistry Consumables [Member]    
Disaggregation of Revenue [Line Items]    
Total net sales 133,515 125,618
TA Instrument Systems [Member]    
Disaggregation of Revenue [Line Items]    
Total net sales 58,731 55,260
Product [Member]    
Disaggregation of Revenue [Line Items]    
Total net sales 436,457 450,840
Waters Service [Member]    
Disaggregation of Revenue [Line Items]    
Total net sales 224,349 217,576
TA Service [Member]    
Disaggregation of Revenue [Line Items]    
Total net sales 23,868 22,156
Service [Member]    
Disaggregation of Revenue [Line Items]    
Total net sales $ 248,217 $ 239,732