RESTRUCTURING COSTS - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Jul. 31, 2021	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Oct. 01, 2017	Jun. 30, 2017
Global Integration Activities
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred to date		$ 374.0
Expected remaining costs		150.0
Remaining accrual		308.5						$ 328.5
Cash expenditures for restructuring		43.6
Restructuring charges		13.3
Global Integration Activities | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Cash expenditures for restructuring	$ 1.7				$ 134.3	$ 172.5
Acquisition Integration Program
Restructuring Cost and Reserve [Line Items]
Remaining accrual		21.5						30.4
Cash expenditures for restructuring		9.8
Restructuring charges		0.0
Acquisition Integration Program | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred to date		59.9
Acquisition Integration Program | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Cash expenditures for restructuring				$ 1.4	1.4	18.7
Other Restructuring, Integrate Supply Chain and Selling Activities
Restructuring Cost and Reserve [Line Items]
Remaining accrual		8.3						$ 10.1
Restructuring charges		1.4	$ 4.2
Other Restructuring, Integrate Supply Chain and Selling Activities | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Cash expenditures for restructuring						8.3
Other Restructuring Programs, Assumed Proctor and Gamble Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred to date							$ 21.7
Remaining accrual		$ 12.9
Other Restructuring Programs, Assumed Proctor and Gamble Restructuring | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Cash expenditures for restructuring				$ 1.6	$ 3.3	$ 8.0