NET PERIODIC BENEFIT COST - DEFINED BENEFIT PLANS - Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Pension Benefits | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1.7	$ 3.2	$ 3.4	$ 6.2
Interest cost	8.9	11.7	17.7	23.5
Expected return on plan assets	(14.7)	(15.5)	(29.4)	(30.9)
Amortization of prior service cost (credit)	0.2	0.3	0.5	0.5
Amortization of net loss (gain)	2.2	2.0	4.3	4.0
Settlement / curtailment loss	0.0	0.0	0.0	0.0
Net periodic pension (benefit) expense	(1.7)	1.7	(3.5)	3.3
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	0.0	0.0	0.0	0.0
Pension Benefits | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	3.9	3.7	7.9	7.4
Interest cost	5.4	7.6	11.0	15.3
Expected return on plan assets	(9.9)	(11.4)	(20.2)	(23.0)
Amortization of prior service cost (credit)	(0.2)	(0.2)	(0.4)	(0.4)
Amortization of net loss (gain)	2.8	2.2	5.7	4.4
Settlement / curtailment loss	0.2	0.1	0.3	0.2
Net periodic pension (benefit) expense	2.2	2.0	4.3	3.9
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	0.0	0.0	0.0	0.0
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.2	0.0	0.3	0.1
Interest cost	0.4	0.4	0.8	0.8
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of prior service cost (credit)	(0.4)	(0.4)	(0.7)	(0.7)
Amortization of net loss (gain)	0.1	0.0	0.2	(0.1)
Settlement / curtailment loss	0.0	0.0	0.0	0.0
Net periodic pension (benefit) expense	16.3	0.0	16.6	0.1
Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits	$ 16.0	$ 0.0	$ 16.0	$ 0.0