Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Document Period End Date	Mar. 30, 2019
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3.7	$ 3.9
Interest cost	7.7	7.5
Expected return on plan assets	(11.6)	(12.2)
Amortization of prior service cost (credit)	(0.2)	(0.4)
Defined Benefit Plan, Amortization of Gain (Loss)	2.2	2.4
Curtailment loss	0.1	0.1
Net periodic benefit cost	1.9	1.3
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.1	0.1
Interest cost	0.4	0.4
Expected return on plan assets	0.0	0.0
Amortization of prior service cost (credit)	(0.3)	(0.3)
Defined Benefit Plan, Amortization of Gain (Loss)	(0.1)	0.0
Curtailment loss	0.0	0.0
Net periodic benefit cost	0.1	0.2
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	3.0	1.8
Interest cost	11.8	10.4
Expected return on plan assets	(15.4)	(16.8)
Amortization of prior service cost (credit)	0.2	0.2
Defined Benefit Plan, Amortization of Gain (Loss)	2.0	1.9
Curtailment loss	0.0	0.0
Net periodic benefit cost	$ 1.6	$ (2.5)