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REVENUES - Principal Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Disaggregation of revenue
Net sales	$ 3,695.0	$ 3,751.9
Allowance for expected return of products	$ 45.6		$ 52.5
United States | Geographic concentration | Consolidated net sales
Disaggregation of revenue
Percentage of consolidated sales	54.00%	53.00%
Product and equipment sales
Disaggregation of revenue
Net sales	$ 2,901.9	$ 2,986.5
Service and lease sales
Disaggregation of revenue
Net sales	793.1	765.4
Operating segment
Disaggregation of revenue
Net sales	3,652.1	3,621.5
Global Water
Disaggregation of revenue
Net sales	1,826.4	1,838.9
Global Water | United States
Disaggregation of revenue
Net sales	816.9	791.0
Global Water | Europe
Disaggregation of revenue
Net sales	356.3	363.3
Global Water | Asia Pacific
Disaggregation of revenue
Net sales	221.0	230.4
Global Water | Latin America
Disaggregation of revenue
Net sales	180.3	196.2
Global Water | Greater China
Disaggregation of revenue
Net sales	98.2	99.0
Global Water | India, Middle East and Africa
Disaggregation of revenue
Net sales	100.0	106.1
Global Water | Canada
Disaggregation of revenue
Net sales	53.7	52.9
Global Water | Product and equipment sales
Disaggregation of revenue
Net sales	1,600.3	1,612.2
Global Water | Service and lease sales
Disaggregation of revenue
Net sales	226.1	226.7
Global Water | Operating segment
Disaggregation of revenue
Net sales	1,800.5	1,755.0
Global Institutional and Specialty
Disaggregation of revenue
Net sales	1,418.0	1,480.2
Global Institutional and Specialty | United States
Disaggregation of revenue
Net sales	938.5	974.1
Global Institutional and Specialty | Europe
Disaggregation of revenue
Net sales	226.0	245.6
Global Institutional and Specialty | Asia Pacific
Disaggregation of revenue
Net sales	75.2	78.6
Global Institutional and Specialty | Latin America
Disaggregation of revenue
Net sales	49.2	55.1
Global Institutional and Specialty | Greater China
Disaggregation of revenue
Net sales	49.8	46.8
Global Institutional and Specialty | India, Middle East and Africa
Disaggregation of revenue
Net sales	21.8	21.5
Global Institutional and Specialty | Canada
Disaggregation of revenue
Net sales	57.5	58.5
Global Institutional and Specialty | Product and equipment sales
Disaggregation of revenue
Net sales	1,140.3	1,215.2
Global Institutional and Specialty | Service and lease sales
Disaggregation of revenue
Net sales	277.7	265.0
Global Institutional and Specialty | Operating segment
Disaggregation of revenue
Net sales	1,406.5	1,446.9
Global Life Sciences
Disaggregation of revenue
Net sales	170.0	166.7
Global Life Sciences | United States
Disaggregation of revenue
Net sales	49.1	45.4
Global Life Sciences | Europe
Disaggregation of revenue
Net sales	85.8	96.3
Global Life Sciences | Asia Pacific
Disaggregation of revenue
Net sales	10.3	7.5
Global Life Sciences | Latin America
Disaggregation of revenue
Net sales	5.1	4.5
Global Life Sciences | Greater China
Disaggregation of revenue
Net sales	11.5	9.4
Global Life Sciences | India, Middle East and Africa
Disaggregation of revenue
Net sales	7.3	3.1
Global Life Sciences | Canada
Disaggregation of revenue
Net sales	0.9	0.5
Global Life Sciences | Product and equipment sales
Disaggregation of revenue
Net sales	161.3	159.1
Global Life Sciences | Service and lease sales
Disaggregation of revenue
Net sales	8.7	7.6
Global Life Sciences | Operating segment
Disaggregation of revenue
Net sales	167.0	159.3
Global Pest Elimination
Disaggregation of revenue
Net sales	280.6	266.1
Global Pest Elimination | United States
Disaggregation of revenue
Net sales	195.2	181.7
Global Pest Elimination | Europe
Disaggregation of revenue
Net sales	44.3	43.2
Global Pest Elimination | Asia Pacific
Disaggregation of revenue
Net sales	7.9	7.6
Global Pest Elimination | Latin America
Disaggregation of revenue
Net sales	14.1	14.5
Global Pest Elimination | Greater China
Disaggregation of revenue
Net sales	14.7	14.7
Global Pest Elimination | India, Middle East and Africa
Disaggregation of revenue
Net sales	1.7	1.7
Global Pest Elimination | Canada
Disaggregation of revenue
Net sales	2.7	2.7
Global Pest Elimination | Service and lease sales
Disaggregation of revenue
Net sales	280.6	266.1
Global Pest Elimination | Operating segment
Disaggregation of revenue
Net sales	$ 278.1	$ 260.3

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