REVENUES - Principal Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Disaggregation of revenue
Net sales	$ 3,998.5	$ 3,958.1	$ 11,736.2	$ 11,381.8
Allowance for expected return of products	62.3		$ 62.3		$ 71.7
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	3,156.0	3,170.9	$ 9,315.6	$ 9,152.0
Service and lease sales
Disaggregation of revenue
Net sales	842.5	787.2	2,420.6	2,229.8
Operating segment
Disaggregation of revenue
Net sales	4,039.4	3,957.0	11,821.9	11,393.5
Global Industrial
Disaggregation of revenue
Net sales	1,966.7	1,945.1	5,742.4	5,663.7
Global Industrial | United States
Disaggregation of revenue
Net sales	844.3	822.2	2,468.4	2,421.2
Global Industrial | Europe
Disaggregation of revenue
Net sales	429.4	423.0	1,214.6	1,214.7
Global Industrial | Asia Pacific
Disaggregation of revenue
Net sales	231.4	233.5	692.9	700.8
Global Industrial | Latin America
Disaggregation of revenue
Net sales	194.8	193.7	582.0	534.8
Global Industrial | Greater China
Disaggregation of revenue
Net sales	99.7	98.3	297.9	299.6
Global Industrial | India, Middle East and Africa
Disaggregation of revenue
Net sales	112.0	117.5	323.5	329.7
Global Industrial | Canada
Disaggregation of revenue
Net sales	55.1	56.9	163.1	162.9
Global Industrial | Product and equipment sales
Disaggregation of revenue
Net sales	1,722.0	1,710.1	5,037.2	4,985.5
Global Industrial | Service and lease sales
Disaggregation of revenue
Net sales	244.7	235.0	705.2	678.2
Global Industrial | Operating segment
Disaggregation of revenue
Net sales	1,993.0	1,940.8	5,790.7	5,655.4
Global Institutional and Specialty
Disaggregation of revenue
Net sales	1,394.2	1,313.0	4,024.8	3,714.0
Global Institutional and Specialty | United States
Disaggregation of revenue
Net sales	970.9	902.9	2,815.0	2,568.7
Global Institutional and Specialty | Europe
Disaggregation of revenue
Net sales	185.7	183.8	525.5	505.0
Global Institutional and Specialty | Asia Pacific
Disaggregation of revenue
Net sales	59.3	58.3	178.1	173.5
Global Institutional and Specialty | Latin America
Disaggregation of revenue
Net sales	47.8	49.4	144.5	138.3
Global Institutional and Specialty | Greater China
Disaggregation of revenue
Net sales	44.8	40.9	130.0	117.0
Global Institutional and Specialty | India, Middle East and Africa
Disaggregation of revenue
Net sales	20.7	17.1	54.0	49.0
Global Institutional and Specialty | Canada
Disaggregation of revenue
Net sales	65.0	60.6	177.7	162.5
Global Institutional and Specialty | Product and equipment sales
Disaggregation of revenue
Net sales	1,133.2	1,071.7	3,264.5	3,039.7
Global Institutional and Specialty | Service and lease sales
Disaggregation of revenue
Net sales	261.0	241.3	760.3	674.3
Global Institutional and Specialty | Operating segment
Disaggregation of revenue
Net sales	1,403.6	1,314.1	4,046.6	3,719.0
Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	330.4	406.2	1,100.0	1,176.7
Global Healthcare and Life Sciences | United States
Disaggregation of revenue
Net sales	102.0	168.4	399.4	485.5
Global Healthcare and Life Sciences | Europe
Disaggregation of revenue
Net sales	172.1	186.6	543.6	547.2
Global Healthcare and Life Sciences | Asia Pacific
Disaggregation of revenue
Net sales	26.6	25.1	76.5	67.2
Global Healthcare and Life Sciences | Latin America
Disaggregation of revenue
Net sales	6.5	6.8	17.9	19.1
Global Healthcare and Life Sciences | Greater China
Disaggregation of revenue
Net sales	14.8	11.5	38.0	35.2
Global Healthcare and Life Sciences | India, Middle East and Africa
Disaggregation of revenue
Net sales	7.1	5.8	19.6	17.5
Global Healthcare and Life Sciences | Canada
Disaggregation of revenue
Net sales	1.3	2.0	5.0	5.0
Global Healthcare and Life Sciences | Product and equipment sales
Disaggregation of revenue
Net sales	300.8	378.4	1,013.9	1,094.9
Global Healthcare and Life Sciences | Service and lease sales
Disaggregation of revenue
Net sales	29.6	27.8	86.1	81.8
Global Healthcare and Life Sciences | Operating segment
Disaggregation of revenue
Net sales	334.1	408.3	1,112.0	1,189.7
Global Pest Elimination
Disaggregation of revenue
Net sales	307.2	283.1	869.0	795.5
Global Pest Elimination | United States
Disaggregation of revenue
Net sales	217.2	197.9	605.7	549.7
Global Pest Elimination | Europe
Disaggregation of revenue
Net sales	47.0	44.1	136.6	125.6
Global Pest Elimination | Asia Pacific
Disaggregation of revenue
Net sales	8.0	7.2	23.6	21.3
Global Pest Elimination | Latin America
Disaggregation of revenue
Net sales	14.8	14.9	44.3	42.7
Global Pest Elimination | Greater China
Disaggregation of revenue
Net sales	15.3	14.5	44.9	43.0
Global Pest Elimination | India, Middle East and Africa
Disaggregation of revenue
Net sales	1.8	1.6	5.2	5.2
Global Pest Elimination | Canada
Disaggregation of revenue
Net sales	3.1	2.9	8.7	8.0
Global Pest Elimination | Service and lease sales
Disaggregation of revenue
Net sales	307.2	283.1	869.0	795.5
Global Pest Elimination | Operating segment
Disaggregation of revenue
Net sales	$ 308.7	283.1	$ 872.6	797.4
Corporate
Disaggregation of revenue
Net sales		10.7		31.9
Corporate | United States
Disaggregation of revenue
Net sales		9.6		28.8
Corporate | Europe
Disaggregation of revenue
Net sales		0.7		2.1
Corporate | Asia Pacific
Disaggregation of revenue
Net sales		0.1		0.2
Corporate | Latin America
Disaggregation of revenue
Net sales		0.3		0.8
Corporate | Product and equipment sales
Disaggregation of revenue
Net sales		10.7		31.9
Corporate | Operating segment
Disaggregation of revenue
Net sales		$ 10.7		$ 32.0