REVENUES - Principal Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of revenue
Net sales	$ 3,852.1	$ 3,580.6	$ 7,423.7	$ 6,847.3
U.S. Pension. | Geographic concentration | Consolidated net sales
Disaggregation of revenue
Percentage of consolidated sales			53.00%	53.00%
Product and equipment sales
Disaggregation of revenue
Net sales	3,104.8	2,886.8	$ 5,981.1	$ 5,510.9
Service and lease sales
Disaggregation of revenue
Net sales	747.3	693.8	1,442.6	1,336.4
Global Industrial
Disaggregation of revenue
Net sales	1,808.5	1,689.9	3,517.9	3,255.6
Global Industrial | North America
Disaggregation of revenue
Net sales	814.7	776.6	1,605.4	1,493.2
Global Industrial | Europe
Disaggregation of revenue
Net sales	382.4	341.3	731.2	654.8
Global Industrial | Asia Pacific
Disaggregation of revenue
Net sales	222.2	209.0	436.5	414.1
Global Industrial | Latin America
Disaggregation of revenue
Net sales	181.0	156.0	338.2	292.4
Global Industrial | Greater China
Disaggregation of revenue
Net sales	101.0	106.5	195.6	216.7
Global Industrial | India, Middle East and Africa
Disaggregation of revenue
Net sales	107.2	100.5	211.0	184.4
Global Industrial | Product and equipment sales
Disaggregation of revenue
Net sales	1,587.8	1,471.4	3,086.0	2,829.8
Global Industrial | Service and lease sales
Disaggregation of revenue
Net sales	220.7	218.5	431.9	425.8
Global Institutional and Specialty
Disaggregation of revenue
Net sales	1,272.2	1,129.3	2,401.0	2,138.7
Global Institutional and Specialty | North America
Disaggregation of revenue
Net sales	933.8	828.1	1,767.7	1,560.1
Global Institutional and Specialty | Europe
Disaggregation of revenue
Net sales	174.7	164.3	321.2	301.0
Global Institutional and Specialty | Asia Pacific
Disaggregation of revenue
Net sales	58.4	53.0	115.2	105.7
Global Institutional and Specialty | Latin America
Disaggregation of revenue
Net sales	47.6	41.5	88.9	78.3
Global Institutional and Specialty | Greater China
Disaggregation of revenue
Net sales	40.5	28.7	76.1	68.9
Global Institutional and Specialty | India, Middle East and Africa
Disaggregation of revenue
Net sales	17.2	13.7	31.9	24.7
Global Institutional and Specialty | Product and equipment sales
Disaggregation of revenue
Net sales	1,047.2	936.3	1,968.0	1,763.3
Global Institutional and Specialty | Service and lease sales
Disaggregation of revenue
Net sales	225.0	193.0	433.0	375.4
Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	390.8	390.9	770.5	753.7
Global Healthcare and Life Sciences | North America
Disaggregation of revenue
Net sales	156.4	157.6	320.3	302.6
Global Healthcare and Life Sciences | Europe
Disaggregation of revenue
Net sales	186.1	180.7	360.5	350.8
Global Healthcare and Life Sciences | Asia Pacific
Disaggregation of revenue
Net sales	22.6	24.4	42.3	44.4
Global Healthcare and Life Sciences | Latin America
Disaggregation of revenue
Net sales	6.6	5.3	12.3	11.2
Global Healthcare and Life Sciences | Greater China
Disaggregation of revenue
Net sales	12.9	17.0	23.7	31.8
Global Healthcare and Life Sciences | India, Middle East and Africa
Disaggregation of revenue
Net sales	6.2	5.9	11.4	12.9
Global Healthcare and Life Sciences | Product and equipment sales
Disaggregation of revenue
Net sales	363.9	360.2	716.5	694.2
Global Healthcare and Life Sciences | Service and lease sales
Disaggregation of revenue
Net sales	26.9	30.7	54.0	59.5
Other
Disaggregation of revenue
Net sales	363.9	336.6	693.9	630.6
Other | North America
Disaggregation of revenue
Net sales	232.3	214.9	442.6	396.6
Other | Europe
Disaggregation of revenue
Net sales	74.1	69.7	141.3	131.8
Other | Asia Pacific
Disaggregation of revenue
Net sales	23.0	19.6	43.2	36.2
Other | Latin America
Disaggregation of revenue
Net sales	14.2	13.1	27.8	26.1
Other | Greater China
Disaggregation of revenue
Net sales	18.0	16.7	34.3	34.6
Other | India, Middle East and Africa
Disaggregation of revenue
Net sales	2.3	2.6	4.7	5.3
Other | Product and equipment sales
Disaggregation of revenue
Net sales	89.2	85.0	170.2	155.0
Other | Service and lease sales
Disaggregation of revenue
Net sales	274.7	251.6	523.7	475.6
Corporate
Disaggregation of revenue
Net sales	16.7	33.9	40.4	68.7
Corporate | North America
Disaggregation of revenue
Net sales	12.4	30.3	33.1	59.7
Corporate | Europe
Disaggregation of revenue
Net sales	1.3	0.9	2.0	1.5
Corporate | Asia Pacific
Disaggregation of revenue
Net sales	0.8	1.1	1.8	2.1
Corporate | Latin America
Disaggregation of revenue
Net sales	2.2	1.6	3.5	5.1
Corporate | Greater China
Disaggregation of revenue
Net sales				0.1
Corporate | India, Middle East and Africa
Disaggregation of revenue
Net sales				0.2
Corporate | Product and equipment sales
Disaggregation of revenue
Net sales	$ 16.7	$ 33.9	$ 40.4	68.6
Corporate | Service and lease sales
Disaggregation of revenue
Net sales				$ 0.1