REVENUE AND CONTRACT ACQUISITION COSTS - Revenue Disaggregated by Types and Geography (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 [Line Items]
Total revenue	$ 1,755.9	$ 1,522.1	$ 3,452.1	$ 3,009.8
Instruments and accessories
Disaggregation of Revenue [Line Items]
Total revenue	1,075.9	895.3	2,061.5	1,705.6
Systems
Disaggregation of Revenue [Line Items]
Total revenue	392.7	375.1	820.1	803.2
Services
Disaggregation of Revenue [Line Items]
Total revenue	287.3	251.7	570.5	501.0
U.S.
Disaggregation of Revenue [Line Items]
Total revenue	1,142.5	1,011.1	2,252.4	1,975.9
U.S. | Instruments and accessories
Disaggregation of Revenue [Line Items]
Total revenue	763.3	625.1	1,464.7	1,175.7
U.S. | Systems
Disaggregation of Revenue [Line Items]
Total revenue	189.8	218.0	411.6	466.3
U.S. | Services
Disaggregation of Revenue [Line Items]
Total revenue	189.4	168.0	376.1	333.9
Outside of U.S. (“OUS”)
Disaggregation of Revenue [Line Items]
Total revenue	613.4	511.0	1,199.7	1,033.9
Outside of U.S. (“OUS”) | Instruments and accessories
Disaggregation of Revenue [Line Items]
Total revenue	312.6	270.2	596.8	529.9
Outside of U.S. (“OUS”) | Systems
Disaggregation of Revenue [Line Items]
Total revenue	202.9	157.1	408.5	336.9
Outside of U.S. (“OUS”) | Services
Disaggregation of Revenue [Line Items]
Total revenue	$ 97.9	$ 83.7	$ 194.4	$ 167.1