Components of Net Periodic Benefit Cost (Detail) - Pension Plans, Defined Benefit - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.0	$ 0.0	$ 8.0
Interest cost	12.0	12.0	10.0
Expected return on plan assets	(10.0)	(14.0)	(18.0)
Amortization of actuarial loss	0.0	0.0	2.0
Settlement/curtailment (gain) loss	1.0	6.0	5.0
Net periodic benefit (credit)	$ 3.0	$ 4.0	$ 7.0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax	Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax	Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 9.0	$ 9.0	$ 12.0
Interest cost	10.0	6.0	5.0
Expected return on plan assets	(3.0)	(2.0)	(2.0)
Amortization of actuarial loss	1.0	1.0	1.0
Settlement/curtailment (gain) loss	0.0	(8.0)	0.0
Net periodic benefit (credit)	18.0	7.0	17.0
Amortization of prior service credit	$ 1.0	$ 1.0	$ 0.0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax	Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax	Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax