REVENUES - Principal Activities (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Disaggregation of revenue
Net sales	$ 3,581.4	$ 3,505.4	$ 14,906.3
Global Industrial
Disaggregation of revenue
Net sales	1,434.5	1,402.0
Global Institutional
Disaggregation of revenue
Net sales	1,067.2	1,020.8
Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	243.6	227.6
Upstream Energy
Disaggregation of revenue
Net sales	560.4	580.0
Other
Disaggregation of revenue
Net sales	275.7	275.0
Product and sold equipment
Disaggregation of revenue
Net sales	2,930.0	2,886.3
Product and sold equipment | Global Industrial
Disaggregation of revenue
Net sales	1,232.5	1,213.7
Product and sold equipment | Global Institutional
Disaggregation of revenue
Net sales	888.9	855.6
Product and sold equipment | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	221.9	209.9
Product and sold equipment | Upstream Energy
Disaggregation of revenue
Net sales	505.5	524.8
Product and sold equipment | Other
Disaggregation of revenue
Net sales	81.2	82.3
Service and lease equipment
Disaggregation of revenue
Net sales	651.4	619.1
Service and lease equipment | Global Industrial
Disaggregation of revenue
Net sales	202.0	188.3
Service and lease equipment | Global Institutional
Disaggregation of revenue
Net sales	178.3	165.2
Service and lease equipment | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	21.7	17.7
Service and lease equipment | Upstream Energy
Disaggregation of revenue
Net sales	54.9	55.2
Service and lease equipment | Other
Disaggregation of revenue
Net sales	194.5	192.7
North America | Global Industrial
Disaggregation of revenue
Net sales	691.6	673.6
North America | Global Institutional
Disaggregation of revenue
Net sales	779.8	740.1
North America | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	107.7	99.9
North America | Upstream Energy
Disaggregation of revenue
Net sales	351.3	358.5
North America | Other
Disaggregation of revenue
Net sales	$ 168.2	$ 166.6
U.S.
Disaggregation of revenue
Percentage of consolidated sales	54.00%	54.00%
Europe | Global Industrial
Disaggregation of revenue
Net sales	$ 281.2	$ 277.2
Europe | Global Institutional
Disaggregation of revenue
Net sales	142.5	143.1
Europe | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	120.3	119.9
Europe | Upstream Energy
Disaggregation of revenue
Net sales	68.1	71.3
Europe | Other
Disaggregation of revenue
Net sales	59.7	58.3
Asia Pacific | Global Industrial
Disaggregation of revenue
Net sales	183.7	181.7
Asia Pacific | Global Institutional
Disaggregation of revenue
Net sales	60.0	56.0
Asia Pacific | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	10.5	3.6
Asia Pacific | Upstream Energy
Disaggregation of revenue
Net sales	20.2	18.2
Asia Pacific | Other
Disaggregation of revenue
Net sales	18.1	18.1
Latin America | Global Industrial
Disaggregation of revenue
Net sales	129.1	125.2
Latin America | Global Institutional
Disaggregation of revenue
Net sales	39.8	39.5
Latin America | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	1.0	1.0
Latin America | Upstream Energy
Disaggregation of revenue
Net sales	41.2	40.8
Latin America | Other
Disaggregation of revenue
Net sales	12.0	12.3
Greater China | Global Industrial
Disaggregation of revenue
Net sales	74.2	76.4
Greater China | Global Institutional
Disaggregation of revenue
Net sales	33.7	31.2
Greater China | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	0.6	0.4
Greater China | Upstream Energy
Disaggregation of revenue
Net sales	0.5	4.6
Greater China | Other
Disaggregation of revenue
Net sales	13.5	15.6
Middle East and Africa ("MEA") | Global Industrial
Disaggregation of revenue
Net sales	74.7	67.9
Middle East and Africa ("MEA") | Global Institutional
Disaggregation of revenue
Net sales	11.4	10.9
Middle East and Africa ("MEA") | Global Healthcare and Life Sciences
Disaggregation of revenue
Net sales	3.5	2.8
Middle East and Africa ("MEA") | Upstream Energy
Disaggregation of revenue
Net sales	79.1	86.6
Middle East and Africa ("MEA") | Other
Disaggregation of revenue
Net sales	$ 4.2	$ 4.1