ACQUISITIONS - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	4 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Dec. 04, 2025
Business Combination [Line Items]
Goodwill	$ 2,023.7	$ 2,033.7
Purge Rite Intermediate, LLC
Business Combination [Line Items]
Accounts receivable	69.5		$ 69.5
Adjustments, Accounts receivable	0.0
Other current assets	7.2		7.2
Adjustments, Other current assets	0.0
Property, plant and equipment	150.0		150.0
Adjustments, Property, plant and equipment	0.0
Goodwill	589.3		588.4
Adjustments, Goodwill	0.9
Other intangible assets	445.2		445.2
Adjustments, Other intangible assets	0.0
Right-of-use assets, net	3.5		3.5
Adjustments, Right-of-use assets, net	0.0
Accounts payable	11.3		11.3
Adjustments, Accounts payable	0.0
Deferred revenue	12.0		12.0
Adjustments, Deferred revenue	0.0
Accrued expenses and other liabilities	4.7		4.7
Adjustments, Accrued expenses and other liabilities	0.0
Deferred income taxes	95.0		95.0
Adjustments, Deferred income taxes	0.0
Other long-term liabilities	2.5		2.5
Adjustments, Other long-term liabilities	0.0
Net assets acquired and liabilities assumed	1,139.2		$ 1,138.3
Adjustments, Net assets acquired and liabilities assumed	$ 0.9