NET PERIODIC BENEFIT COST - DEFINED BENEFIT PLANS - Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Pension Benefits | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1.7	$ 1.7	$ 4.9	$ 5.1
Interest cost	5.7	8.8	17.2	26.5
Expected return on plan assets	(13.8)	(14.7)	(41.2)	(44.1)
Amortization of prior service cost (credit)	0.3	0.3	0.9	0.8
Amortization of net loss	2.3	2.1	6.8	6.4
Special termination benefit	0.0	0.0	0.0	0.0
Settlement / curtailment (gain) loss	0.0	0.0	0.0	0.0
Net periodic pension (benefit) expense	(3.8)	(1.8)	(11.4)	(5.3)
Pension Benefits | Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	4.3	4.0	13.3	11.9
Interest cost	4.2	5.7	12.8	16.7
Expected return on plan assets	(10.0)	(10.4)	(30.2)	(30.6)
Amortization of prior service cost (credit)	(0.2)	(0.1)	(0.6)	(0.5)
Amortization of net loss	3.4	2.9	10.4	8.6
Special termination benefit	0.0	0.0	0.0	0.0
Settlement / curtailment (gain) loss	(0.3)	0.3	(0.2)	0.6
Net periodic pension (benefit) expense	1.4	2.4	5.5	6.7
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.2	0.2	0.3	0.5
Interest cost	0.2	0.3	0.7	1.1
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of prior service cost (credit)	(0.2)	(0.3)	(0.5)	(1.0)
Amortization of net loss	0.0	0.0	0.0	0.2
Special termination benefit	0.0	0.1	0.0	16.1
Settlement / curtailment (gain) loss	0.0	0.0	0.0	0.0
Net periodic pension (benefit) expense	$ 0.2	$ 0.3	$ 0.5	$ 16.9