XML 81 R70.htm IDEA: XBRL DOCUMENT v3.20.2
Business Segment Information - Summary of Net Sales for Company's Products and Services (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Disaggregation of Revenue [Line Items]        
Total net sales $ 593,784 $ 577,278 $ 1,578,707 $ 1,690,302
Waters Instrument Systems [Member]        
Disaggregation of Revenue [Line Items]        
Total net sales 225,790 223,859 550,018 647,248
Chemistry Consumables [Member]        
Disaggregation of Revenue [Line Items]        
Total net sales 108,175 100,256 300,525 299,801
TA Instrument Systems [Member]        
Disaggregation of Revenue [Line Items]        
Total net sales 42,274 46,458 114,799 131,292
Product [Member]        
Disaggregation of Revenue [Line Items]        
Total net sales 376,239 370,573 965,342 1,078,341
Waters Service [Member]        
Disaggregation of Revenue [Line Items]        
Total net sales 199,501 188,031 562,843 556,128
TA Service [Member]        
Disaggregation of Revenue [Line Items]        
Total net sales 18,044 18,674 50,522 55,833
Service [Member]        
Disaggregation of Revenue [Line Items]        
Total net sales $ 217,545 $ 206,705 $ 613,365 $ 611,961