ACCRUED AND OTHER CURRENT LIABILITIES AND OTHER NON-CURRENT LIABILITIES - (Detail) - USD ($) $ in Millions		Sep. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Compensation and other employee-related benefits		$ 157.7	$ 134.4
Contract liabilities and other customer-related liabilities		116.4	92.2
Accrued income taxes and other tax-related liabilities		37.7	27.1
Operating lease liabilities		18.1	19.0
Accrued warranty costs		13.8	14.3
Environmental liabilities and other legal matters		6.6	5.7
Accrued restructuring costs		2.7	3.9
Other		37.5	36.8
Accrued and other current liabilities		390.5	333.4
Operating lease liabilities(a)	[1]	69.6	58.9
Environmental liabilities		51.0	53.1
Deferred income taxes and other tax-related liabilities		28.6	31.1
Compensation and other employee-related benefits		27.0	25.0
Non-current maturities of long-term debt(a)	[2]	6.5	7.7
Other		24.4	24.4
Other non-current liabilities		$ 207.1	$ 200.2

[1] The increase in the non-current operating lease liabilities balance from December 31, 2022 to September 30, 2023 is primarily driven by the renewal of an operating facility lease in Irvine, California, and by the current period acquisition of Micro-Mode.

[2] Our long-term debt is primarily related to outstanding Italian government loans.