DISCONTINUED OPERATIONS - Narrative (Details) - USD ($) $ in Millions			1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	May 31, 2023	Oct. 31, 2022	Aug. 31, 2024	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales					$ 847.0			$ 3,205.0
Income tax benefit				$ (88.0)	(168.0)		$ (266.0)	(400.0)
Copeland U.S
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax benefit					10.0			10.0
Copeland
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on Copeland note receivable					61.0			61.0
Copeland
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncontrolling interest, ownership percentage by parent	40.00%
Climate Technologies
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price	$ 14,000.0
Proceeds from divestiture	9,700.0							9,700.0
Proceeds from notes receivable	$ 2,250.0
Interest accrual percentage on note payable	5.00%
Net sales					847.0			3,156.0	$ 5,000.0
Disposal group, pre-tax earnings									1,000.0
Gain (loss) on disposal					10,600.0
Gain on sale of business, net of tax									8,400.0
Ceased depreciation					$ 26.0			96.0
Discontinued operations costs								57.0
Tax effect of discontinued operation								2,200.0
InSinkErator
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase price		$ 3,000.0						750.0
Net sales									630.0
Disposal group, pre-tax earnings									$ 152.0
Gain (loss) on disposal						$ 2,800.0
Gain on sale of business, net of tax						$ 2,100.0
Tax effect of discontinued operation								$ 660.0
Copeland
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture	$ 9,700.0
Gain (loss) on disposal				(16.0)			(111.0)
Loss on disposal group, after tax				$ 9.0			$ 82.0
Copeland | Forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of equity method investments			$ 1,500.0