v3.26.1
OPERATING SEGMENTS (Details)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 01, 2026
segment
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
OPERATING SEGMENTS            
Number of operating segments | segment       9    
Number of reportable segments | segment       4    
Net Sales   $ 4,415.4 $ 4,025.2 $ 8,481.5 $ 7,720.2  
Cost of Sales [1]   2,469.5 2,222.8 4,764.8 4,283.0  
Selling, General and Administrative Expense   1,141.6 1,067.7 2,244.0 2,117.7  
Special (gains) and charges   46.4 24.6 92.8 54.1  
Operating Income   757.9 710.1 1,379.9 1,265.4  
Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           $ 16,081.2
Operating Income           2,737.6
Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           16,081.2
Operating Income           2,737.6
Global Water            
OPERATING SEGMENTS            
Number of sub operating segments | segment 3          
Net Sales   2,223.4 1,977.3 4,266.4 3,803.7  
Global Institutional & Specialty            
OPERATING SEGMENTS            
Net Sales   1,620.8 1,544.6 3,132.2 2,962.6  
Global Pest Elimination            
OPERATING SEGMENTS            
Net Sales   351.1 317.4 661.9 598.0  
Global Life Sciences            
OPERATING SEGMENTS            
Net Sales   220.1 185.9 421.0 355.9  
Operating Segments            
OPERATING SEGMENTS            
Net Sales   4,404.4 4,090.0 8,458.3 7,913.1  
Cost of Sales   2,462.0 2,259.7 4,750.2 4,391.3  
Selling, General and Administrative Expense   1,138.4 1,081.5 2,239.1 2,161.6  
Special (gains) and charges   47.4 24.3 92.7 53.4  
Operating Income   756.6 724.5 1,376.3 1,306.8  
Operating Segments | Scenario, Adjustment | Changes in Currency Rates            
OPERATING SEGMENTS            
Net Sales           731.2
Cost of Sales           414.5
Selling, General and Administrative Expense           156.1
Operating Income           160.6
Operating Segments | Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           15,567.2
Cost of Sales           8,640.2
Selling, General and Administrative Expense           4,150.4
Special (gains) and charges           150.3
Operating Income           2,626.3
Operating Segments | Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           16,298.4
Cost of Sales           9,054.7
Selling, General and Administrative Expense           4,306.5
Special (gains) and charges           150.3
Operating Income           2,786.9
Operating Segments | Global Water            
OPERATING SEGMENTS            
Net Sales   2,215.5 2,014.9 4,250.7 3,914.4  
Cost of Sales   1,345.9 1,206.1 2,585.0 2,337.2  
Selling, General and Administrative Expense   521.9 479.1 1,020.2 968.8  
Operating Income   347.7 329.7 645.5 608.4  
Operating Segments | Global Water | Scenario, Adjustment | Segment Changes            
OPERATING SEGMENTS            
Cost of Sales           (2.3)
Selling, General and Administrative Expense           3.1
Operating Income           (0.8)
Operating Segments | Global Water | Scenario, Adjustment | Changes in Currency Rates            
OPERATING SEGMENTS            
Net Sales           427.8
Cost of Sales           254.5
Selling, General and Administrative Expense           78.9
Operating Income           94.4
Operating Segments | Global Water | Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           7,679.9
Cost of Sales           4,585.9
Selling, General and Administrative Expense           1,830.1
Operating Income           1,263.9
Operating Segments | Global Water | Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           8,107.7
Cost of Sales           4,838.1
Selling, General and Administrative Expense           1,912.1
Operating Income           1,357.5
Operating Segments | Global Institutional & Specialty            
OPERATING SEGMENTS            
Net Sales   1,617.4 1,562.5 3,125.1 3,017.3  
Cost of Sales   806.5 769.4 1,557.5 1,500.8  
Selling, General and Administrative Expense   421.0 425.0 830.2 840.0  
Operating Income   389.9 368.1 737.4 676.5  
Operating Segments | Global Institutional & Specialty | Scenario, Adjustment | Segment Changes            
OPERATING SEGMENTS            
Cost of Sales           0.7
Selling, General and Administrative Expense           (1.3)
Operating Income           0.6
Operating Segments | Global Institutional & Specialty | Scenario, Adjustment | Changes in Currency Rates            
OPERATING SEGMENTS            
Net Sales           202.8
Cost of Sales           109.6
Selling, General and Administrative Expense           53.5
Operating Income           39.7
Operating Segments | Global Institutional & Specialty | Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           5,962.0
Cost of Sales           2,977.7
Selling, General and Administrative Expense           1,626.5
Operating Income           1,357.8
Operating Segments | Global Institutional & Specialty | Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           6,164.8
Cost of Sales           3,088.0
Selling, General and Administrative Expense           1,678.7
Operating Income           1,398.1
Operating Segments | Global Pest Elimination            
OPERATING SEGMENTS            
Net Sales   350.5 321.2 660.6 608.6  
Cost of Sales   197.6 181.6 376.4 348.5  
Selling, General and Administrative Expense   82.4 77.1 162.0 149.9  
Operating Income   70.5 62.5 122.2 110.2  
Operating Segments | Global Pest Elimination | Scenario, Adjustment | Segment Changes            
OPERATING SEGMENTS            
Cost of Sales           0.1
Selling, General and Administrative Expense           0.4
Operating Income           (0.5)
Operating Segments | Global Pest Elimination | Scenario, Adjustment | Changes in Currency Rates            
OPERATING SEGMENTS            
Net Sales           39.6
Cost of Sales           21.4
Selling, General and Administrative Expense           10.2
Operating Income           8.0
Operating Segments | Global Pest Elimination | Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           1,219.2
Cost of Sales           686.3
Selling, General and Administrative Expense           295.8
Operating Income           237.1
Operating Segments | Global Pest Elimination | Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           1,258.8
Cost of Sales           707.8
Selling, General and Administrative Expense           306.4
Operating Income           244.6
Operating Segments | Global Life Sciences            
OPERATING SEGMENTS            
Net Sales   221.0 191.4 421.9 372.8  
Cost of Sales   107.3 100.1 215.3 197.5  
Selling, General and Administrative Expense   55.2 51.1 110.6 104.1  
Operating Income   58.5 40.2 96.0 71.2  
Operating Segments | Global Life Sciences | Scenario, Adjustment | Segment Changes            
OPERATING SEGMENTS            
Cost of Sales           1.5
Selling, General and Administrative Expense           (2.2)
Operating Income           0.7
Operating Segments | Global Life Sciences | Scenario, Adjustment | Changes in Currency Rates            
OPERATING SEGMENTS            
Net Sales           61.0
Cost of Sales           29.0
Selling, General and Administrative Expense           9.3
Operating Income           22.7
Operating Segments | Global Life Sciences | Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           706.1
Cost of Sales           382.6
Selling, General and Administrative Expense           202.8
Operating Income           120.7
Operating Segments | Global Life Sciences | Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           767.1
Cost of Sales           413.1
Selling, General and Administrative Expense           209.9
Operating Income           144.1
Operating Segments | Corporate            
OPERATING SEGMENTS            
Cost of Sales   4.7 2.5 16.0 7.3  
Selling, General and Administrative Expense   57.9 49.2 116.1 98.8  
Special (gains) and charges   47.4 24.3 92.7 53.4  
Operating Income   (110.0) (76.0) (224.8) (159.5)  
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment            
OPERATING SEGMENTS            
Net Sales   11.0 (64.8) 23.2 (192.9)  
Operating Income   $ 1.3 $ (14.4) $ 3.6 $ (41.4)  
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment | Scenario, Adjustment | Changes in Currency Rates            
OPERATING SEGMENTS            
Net Sales           (731.2)
Operating Income           (160.6)
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment | Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           514.0
Operating Income           111.3
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment | Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Net Sales           (217.2)
Operating Income           (49.3)
Segment Reporting, Reconciling Item, Corporate Nonsegment | Scenario, Adjustment | Changes in Currency Rates            
OPERATING SEGMENTS            
Selling, General and Administrative Expense           4.2
Operating Income           (4.2)
Segment Reporting, Reconciling Item, Corporate Nonsegment | Previously Reported | Valued at 2025 Fixed Currency Rates            
OPERATING SEGMENTS            
Cost of Sales           7.7
Selling, General and Administrative Expense           195.2
Special (gains) and charges           150.3
Operating Income           (353.2)
Segment Reporting, Reconciling Item, Corporate Nonsegment | Previously Reported | Valued at 2026 Fixed Currency Rates            
OPERATING SEGMENTS            
Cost of Sales           7.7
Selling, General and Administrative Expense           199.4
Special (gains) and charges           150.3
Operating Income           $ (357.4)
[1] Cost of sales includes special (gains) and charges of $4.7 million and $2.5 million in the second quarter of 2026 and 2025, respectively, and $16.0 million and $7.3 million in the first six months of 2026 and 2025, respectively, which is recorded in product and equipment cost of sales.