BUSINESS ACQUISITIONS Business Acquisitions in the Aggregate (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019	Dec. 31, 2019	Jun. 03, 2019
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	$ 2,832.6
Gain (Loss) on Disposition of Assets			$ (12.2)
Revenues	2,823.8	$ 2,791.2
Payments to Acquire Businesses, Net of Cash Acquired	0.0	$ 47.3
Goodwill	7,388.5			$ 7,865.0
Business Acquisition, Pro Forma Net Income (Loss)	188.0
Envigo [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	380.8				$ 432.2
Payments to Acquire Businesses, Net of Cash Acquired			$ 601.0
Other acquirees [Member]
Business Acquisition [Line Items]
Goodwill, Acquired During Period	22.1
Payments to Acquire Businesses, Net of Cash Acquired	47.3
Finite-lived Intangible Assets Acquired	$ 24.8