EMPLOYEE BENEFIT PLANS - Net Periodic Post-Retirement Benefit Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.6	$ 0.3	$ 0.5
Interest cost	1.5	1.6	1.6
Amortization of prior service credit	1.3	1.4	1.3
Actuarial loss amortization	0.3	(0.3)	0.0
Special termination benefit	16.1	0.0	0.0
Net periodic post-retirement expense	17.2	0.2	0.8
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Service cost	6.8	12.3	7.5
Interest cost	35.3	47.1	42.8
Amortization of prior service credit	(1.0)	(1.0)	(1.1)
Actuarial loss amortization	8.5	8.0	7.8
Special termination benefit	0.0	0.0	0.0
Net periodic post-retirement expense	(7.1)	6.7	(9.5)
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	16.1	14.6	15.2
Interest cost	22.5	30.3	28.6
Amortization of prior service credit	0.7	0.6	1.3
Actuarial loss amortization	11.7	8.6	8.5
Special termination benefit	0.2	0.0	0.0
Net periodic post-retirement expense	$ 9.2	$ 8.3	$ 5.2