v3.26.1
REVENUE (Disaggregation of Revenue by Major Product and Service Categories) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Total revenue $ 1,216,585 $ 1,109,457 $ 2,357,405 $ 2,107,884
Segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 1,211,981 1,105,206 2,348,781 2,098,959
Segment revenue | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 1,118,236 1,022,443 2,172,288 1,942,279
Segment revenue | Water segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 58,564 51,001 108,829 96,322
Segment revenue | LPD segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 35,181 31,762 67,664 60,358
Segment revenue | Total CAG Diagnostics recurring revenue | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 974,713 877,995 1,895,026 1,684,262
Segment revenue | IDEXX VetLab consumables | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 430,337 375,112 842,919 719,891
Segment revenue | Rapid assay products | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 101,575 100,240 186,513 184,274
Segment revenue | Reference laboratory diagnostic and consulting services | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 406,729 367,694 792,908 712,100
Segment revenue | CAG Diagnostics services and accessories | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 36,072 34,949 72,686 67,997
Segment revenue | CAG Diagnostics capital - instruments | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 47,174 58,600 89,623 90,594
Segment revenue | Total veterinary software, services and diagnostic imaging systems | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 96,349 85,848 187,639 167,423
Segment revenue | Recurring revenue | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 76,343 68,954 149,879 134,747
Segment revenue | Systems and hardware | CAG segment revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 20,006 16,894 37,760 32,676
Other revenue        
Disaggregation of Revenue [Line Items]        
Total revenue $ 4,604 $ 4,251 $ 8,624 $ 8,925