ACCRUED AND OTHER CURRENT LIABILITIES AND OTHER NON-CURRENT LIABILITIES - (Detail) - USD ($) $ in Millions	Apr. 04, 2026		Dec. 31, 2025
Payables and Accruals [Abstract]
Compensation and other employee-related benefits	$ 191.4		$ 178.3
Contract liabilities and other customer-related liabilities	324.8		220.8
Accrued income taxes and other tax-related liabilities	77.8		46.4
Operating lease liabilities	34.9		24.4
Accrued warranty costs	30.0		23.5
Environmental liabilities and other legal matters	13.0		14.4
Accrued restructuring costs	12.1		3.7
Other	76.4		60.5
Accrued and other current liabilities	760.4		572.0
Deferred income taxes and other tax-related liabilities(a)	750.8	[1]	82.5
Operating lease liabilities	77.8		60.0
Environmental liabilities	48.1		45.0
Compensation and other employee-related benefits	46.6		40.7
Other	56.6		51.1
Other non-current liabilities	$ 979.9		$ 279.3

[1] The increase in deferred tax liabilities primarily relates to purchase accounting adjustments recorded in connection with the acquisition of SPX FLOW. See Note 6, Income Taxes, for additional information.