REVENUES - Principal Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of revenue
Net sales	$ 3,580.6	$ 3,162.7	$ 6,847.3	$ 6,047.7
U.S. Pension. | Geographic concentration | Consolidated net sales
Disaggregation of revenue
Percentage of consolidated sales			53.00%	52.00%
Product and equipment sales
Disaggregation of revenue
Net sales	2,886.8	2,514.4	$ 5,510.9	$ 4,807.8
Service and lease sales
Disaggregation of revenue
Net sales	693.8	648.3	1,336.4	1,239.9
Corporate
Disaggregation of revenue
Net sales	33.9	34.9	68.7	68.1
Corporate | North America
Disaggregation of revenue
Net sales	30.3	25.0	59.7	47.7
Corporate | Europe
Disaggregation of revenue
Net sales	0.9	1.2	1.5	1.8
Corporate | Asia Pacific
Disaggregation of revenue
Net sales	1.1	1.3	2.1	2.7
Corporate | Latin America
Disaggregation of revenue
Net sales	1.6	6.2	5.1	12.7
Corporate | Greater China
Disaggregation of revenue
Net sales		0.6	0.1	1.2
Corporate | India, Middle East and Africa
Disaggregation of revenue
Net sales		0.6	0.2	2.0
Corporate | Product and equipment sales
Disaggregation of revenue
Net sales	33.9	34.7	68.6	67.7
Corporate | Service and lease sales
Disaggregation of revenue
Net sales		0.2	0.1	0.4
Global Industrial
Disaggregation of revenue
Net sales	1,689.9	1,544.5	3,255.6	2,975.5
Global Industrial | North America
Disaggregation of revenue
Net sales	776.6	692.8	1,493.2	1,329.2
Global Industrial | Europe
Disaggregation of revenue
Net sales	341.3	342.1	654.8	655.2
Global Industrial | Asia Pacific
Disaggregation of revenue
Net sales	209.0	197.6	414.1	387.0
Global Industrial | Latin America
Disaggregation of revenue
Net sales	156.0	134.3	292.4	259.5
Global Industrial | Greater China
Disaggregation of revenue
Net sales	106.5	95.5	216.7	189.8
Global Industrial | India, Middle East and Africa
Disaggregation of revenue
Net sales	100.5	82.2	184.4	154.8
Global Industrial | Product and equipment sales
Disaggregation of revenue
Net sales	1,471.4	1,327.5	2,829.8	2,555.0
Global Industrial | Service and lease sales
Disaggregation of revenue
Net sales	218.5	217.0	425.8	420.5
Global Institutional and Specialty
Disaggregation of revenue
Net sales	1,127.2	976.0	2,134.2	1,833.4
Global Institutional and Specialty | North America
Disaggregation of revenue
Net sales	828.1	734.5	1,560.1	1,357.2
Global Institutional and Specialty | Europe
Disaggregation of revenue
Net sales	164.3	120.9	301.0	228.2
Global Institutional and Specialty | Asia Pacific
Disaggregation of revenue
Net sales	53.0	50.3	105.7	101.6
Global Institutional and Specialty | Latin America
Disaggregation of revenue
Net sales	41.5	31.1	78.3	62.4
Global Institutional and Specialty | Greater China
Disaggregation of revenue
Net sales	26.6	29.9	64.4	66.1
Global Institutional and Specialty | India, Middle East and Africa
Disaggregation of revenue
Net sales	13.7	9.3	24.7	17.9
Global Institutional and Specialty | Product and equipment sales
Disaggregation of revenue
Net sales	934.2	805.1	1,758.8	1,507.8
Global Institutional and Specialty | Service and lease sales
Disaggregation of revenue
Net sales	193.0	170.9	375.4	325.6
Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	390.9	301.8	753.7	594.5
Global Healthcare and Life Sciences | North America
Disaggregation of revenue
Net sales	157.7	108.7	302.7	207.4
Global Healthcare and Life Sciences | Europe
Disaggregation of revenue
Net sales	184.8	169.7	358.1	345.3
Global Healthcare and Life Sciences | Asia Pacific
Disaggregation of revenue
Net sales	24.0	14.8	43.0	25.5
Global Healthcare and Life Sciences | Latin America
Disaggregation of revenue
Net sales	4.7	2.0	10.3	2.5
Global Healthcare and Life Sciences | Greater China
Disaggregation of revenue
Net sales	15.2	1.5	29.7	2.7
Global Healthcare and Life Sciences | India, Middle East and Africa
Disaggregation of revenue
Net sales	4.5	5.1	9.9	11.1
Global Healthcare and Life Sciences | Product and equipment sales
Disaggregation of revenue
Net sales	360.2	272.9	694.2	536.0
Global Healthcare and Life Sciences | Service and lease sales
Disaggregation of revenue
Net sales	30.7	28.9	59.5	58.5
Other
Disaggregation of revenue
Net sales	338.7	305.5	635.1	576.2
Other | North America
Disaggregation of revenue
Net sales	214.9	187.7	396.6	348.5
Other | Europe
Disaggregation of revenue
Net sales	69.7	62.9	131.8	120.7
Other | Asia Pacific
Disaggregation of revenue
Net sales	19.6	19.7	36.2	37.8
Other | Latin America
Disaggregation of revenue
Net sales	13.1	12.7	26.1	24.7
Other | Greater China
Disaggregation of revenue
Net sales	18.8	19.3	39.1	38.2
Other | India, Middle East and Africa
Disaggregation of revenue
Net sales	2.6	3.2	5.3	6.3
Other | Product and equipment sales
Disaggregation of revenue
Net sales	87.1	74.2	159.5	141.3
Other | Service and lease sales
Disaggregation of revenue
Net sales	$ 251.6	$ 231.3	$ 475.6	$ 434.9